Home / 19,582.59-29,372.85-12,087.57

Finding the Fourth Proportional to 19,582.59, 29,372.85 and 12,087.57

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Solution

The fourth proportional to 19,582.59, 29,372.85 and 12,087.57 is: 18,130.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,582.59 : 29,372.85 = 12,087.57 : x
  2. Step 2: Convert to fraction form
    19,582.59/29,372.85 = 12,087.57/x
  3. Step 3: Cross multiply
    19,582.59x = 29,372.85 × 12,087.57
  4. Step 4: Simplify right side
    19,582.59x = 355,046,380.47
  5. Step 5: Solve for x
    x = 355,046,380.47/19,582.59
  6. Step 6: Final answer
    x = 18,130.72

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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.