Home / 25,423.62-38,095.30-20,656.53

Finding the Fourth Proportional to 25,423.62, 38,095.30 and 20,656.53

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Solution

The fourth proportional to 25,423.62, 38,095.30 and 20,656.53 is: 30,952.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,423.62 : 38,095.30 = 20,656.53 : x
  2. Step 2: Convert to fraction form
    25,423.62/38,095.30 = 20,656.53/x
  3. Step 3: Cross multiply
    25,423.62x = 38,095.30 × 20,656.53
  4. Step 4: Simplify right side
    25,423.62x = 786,916,655.67
  5. Step 5: Solve for x
    x = 786,916,655.67/25,423.62
  6. Step 6: Final answer
    x = 30,952.19

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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.