Home / 25,719.79-38,581.85-9,924.18

Finding the Fourth Proportional to 25,719.79, 38,581.85 and 9,924.18

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Solution

The fourth proportional to 25,719.79, 38,581.85 and 9,924.18 is: 14,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,719.79 : 38,581.85 = 9,924.18 : x
  2. Step 2: Convert to fraction form
    25,719.79/38,581.85 = 9,924.18/x
  3. Step 3: Cross multiply
    25,719.79x = 38,581.85 × 9,924.18
  4. Step 4: Simplify right side
    25,719.79x = 382,893,224.13
  5. Step 5: Solve for x
    x = 382,893,224.13/25,719.79
  6. Step 6: Final answer
    x = 14,887.11

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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.