Home / 25,061.28-37,592.58-8,421.90

Finding the Fourth Proportional to 25,061.28, 37,592.58 and 8,421.90

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Solution

The fourth proportional to 25,061.28, 37,592.58 and 8,421.90 is: 12,633.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,061.28 : 37,592.58 = 8,421.90 : x
  2. Step 2: Convert to fraction form
    25,061.28/37,592.58 = 8,421.90/x
  3. Step 3: Cross multiply
    25,061.28x = 37,592.58 × 8,421.90
  4. Step 4: Simplify right side
    25,061.28x = 316,600,949.50
  5. Step 5: Solve for x
    x = 316,600,949.50/25,061.28
  6. Step 6: Final answer
    x = 12,633.07

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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.