Home / 21,737.74-32,584.55-12,358.38

Finding the Fourth Proportional to 21,737.74, 32,584.55 and 12,358.38

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Solution

The fourth proportional to 21,737.74, 32,584.55 and 12,358.38 is: 18,525.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,737.74 : 32,584.55 = 12,358.38 : x
  2. Step 2: Convert to fraction form
    21,737.74/32,584.55 = 12,358.38/x
  3. Step 3: Cross multiply
    21,737.74x = 32,584.55 × 12,358.38
  4. Step 4: Simplify right side
    21,737.74x = 402,692,251.03
  5. Step 5: Solve for x
    x = 402,692,251.03/21,737.74
  6. Step 6: Final answer
    x = 18,525.03

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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.