Home / 25,612.79-38,419.18-6,892.87

Finding the Fourth Proportional to 25,612.79, 38,419.18 and 6,892.87

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Solution

The fourth proportional to 25,612.79, 38,419.18 and 6,892.87 is: 10,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,612.79 : 38,419.18 = 6,892.87 : x
  2. Step 2: Convert to fraction form
    25,612.79/38,419.18 = 6,892.87/x
  3. Step 3: Cross multiply
    25,612.79x = 38,419.18 × 6,892.87
  4. Step 4: Simplify right side
    25,612.79x = 264,818,273.28
  5. Step 5: Solve for x
    x = 264,818,273.28/25,612.79
  6. Step 6: Final answer
    x = 10,339.30

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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.