Home / 29,249.04-40,363.68-15,820.29

Finding the Fourth Proportional to 29,249.04, 40,363.68 and 15,820.29

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Solution

The fourth proportional to 29,249.04, 40,363.68 and 15,820.29 is: 21,832.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,249.04 : 40,363.68 = 15,820.29 : x
  2. Step 2: Convert to fraction form
    29,249.04/40,363.68 = 15,820.29/x
  3. Step 3: Cross multiply
    29,249.04x = 40,363.68 × 15,820.29
  4. Step 4: Simplify right side
    29,249.04x = 638,565,123.07
  5. Step 5: Solve for x
    x = 638,565,123.07/29,249.04
  6. Step 6: Final answer
    x = 21,832.00

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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.