Home / 16,381.68-24,572.40-7,611.72

Finding the Fourth Proportional to 16,381.68, 24,572.40 and 7,611.72

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Solution

The fourth proportional to 16,381.68, 24,572.40 and 7,611.72 is: 11,417.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,381.68 : 24,572.40 = 7,611.72 : x
  2. Step 2: Convert to fraction form
    16,381.68/24,572.40 = 7,611.72/x
  3. Step 3: Cross multiply
    16,381.68x = 24,572.40 × 7,611.72
  4. Step 4: Simplify right side
    16,381.68x = 187,038,228.53
  5. Step 5: Solve for x
    x = 187,038,228.53/16,381.68
  6. Step 6: Final answer
    x = 11,417.52

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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.