Home / 22,058.60-30,440.81-11,987.05

Finding the Fourth Proportional to 22,058.60, 30,440.81 and 11,987.05

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Solution

The fourth proportional to 22,058.60, 30,440.81 and 11,987.05 is: 16,542.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,058.60 : 30,440.81 = 11,987.05 : x
  2. Step 2: Convert to fraction form
    22,058.60/30,440.81 = 11,987.05/x
  3. Step 3: Cross multiply
    22,058.60x = 30,440.81 × 11,987.05
  4. Step 4: Simplify right side
    22,058.60x = 364,895,465.38
  5. Step 5: Solve for x
    x = 364,895,465.38/22,058.60
  6. Step 6: Final answer
    x = 16,542.09

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Half scale
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Double scale
Find fourth proportional to 22,059.60, 30,442.19 and 11,988.05
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.