Home / 22,002.32-30,360.48-14,049.20

Finding the Fourth Proportional to 22,002.32, 30,360.48 and 14,049.20

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Solution

The fourth proportional to 22,002.32, 30,360.48 and 14,049.20 is: 19,386.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,002.32 : 30,360.48 = 14,049.20 : x
  2. Step 2: Convert to fraction form
    22,002.32/30,360.48 = 14,049.20/x
  3. Step 3: Cross multiply
    22,002.32x = 30,360.48 × 14,049.20
  4. Step 4: Simplify right side
    22,002.32x = 426,540,455.62
  5. Step 5: Solve for x
    x = 426,540,455.62/22,002.32
  6. Step 6: Final answer
    x = 19,386.16

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Half scale
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Double scale
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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.