Home / 22,214.77-30,651.44-12,783.33

Finding the Fourth Proportional to 22,214.77, 30,651.44 and 12,783.33

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Solution

The fourth proportional to 22,214.77, 30,651.44 and 12,783.33 is: 17,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,214.77 : 30,651.44 = 12,783.33 : x
  2. Step 2: Convert to fraction form
    22,214.77/30,651.44 = 12,783.33/x
  3. Step 3: Cross multiply
    22,214.77x = 30,651.44 × 12,783.33
  4. Step 4: Simplify right side
    22,214.77x = 391,827,255.32
  5. Step 5: Solve for x
    x = 391,827,255.32/22,214.77
  6. Step 6: Final answer
    x = 17,638.15

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Double scale
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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.