Home / 15,677.96-23,512.28-6,315.71

Finding the Fourth Proportional to 15,677.96, 23,512.28 and 6,315.71

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Solution

The fourth proportional to 15,677.96, 23,512.28 and 6,315.71 is: 9,471.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,677.96 : 23,512.28 = 6,315.71 : x
  2. Step 2: Convert to fraction form
    15,677.96/23,512.28 = 6,315.71/x
  3. Step 3: Cross multiply
    15,677.96x = 23,512.28 × 6,315.71
  4. Step 4: Simplify right side
    15,677.96x = 148,496,592.78
  5. Step 5: Solve for x
    x = 148,496,592.78/15,677.96
  6. Step 6: Final answer
    x = 9,471.68

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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.