Home / 29,248.80-40,363.23-15,820.04

Finding the Fourth Proportional to 29,248.80, 40,363.23 and 15,820.04

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Solution

The fourth proportional to 29,248.80, 40,363.23 and 15,820.04 is: 21,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,248.80 : 40,363.23 = 15,820.04 : x
  2. Step 2: Convert to fraction form
    29,248.80/40,363.23 = 15,820.04/x
  3. Step 3: Cross multiply
    29,248.80x = 40,363.23 × 15,820.04
  4. Step 4: Simplify right side
    29,248.80x = 638,547,711.31
  5. Step 5: Solve for x
    x = 638,547,711.31/29,248.80
  6. Step 6: Final answer
    x = 21,831.59

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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.