Home / 19,434.30-29,151.45-12,752.70

Finding the Fourth Proportional to 19,434.30, 29,151.45 and 12,752.70

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Solution

The fourth proportional to 19,434.30, 29,151.45 and 12,752.70 is: 19,129.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,434.30 : 29,151.45 = 12,752.70 : x
  2. Step 2: Convert to fraction form
    19,434.30/29,151.45 = 12,752.70/x
  3. Step 3: Cross multiply
    19,434.30x = 29,151.45 × 12,752.70
  4. Step 4: Simplify right side
    19,434.30x = 371,759,696.42
  5. Step 5: Solve for x
    x = 371,759,696.42/19,434.30
  6. Step 6: Final answer
    x = 19,129.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.