Home / 14,575.60-21,805.80-13,193.20

Finding the Fourth Proportional to 14,575.60, 21,805.80 and 13,193.20

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Solution

The fourth proportional to 14,575.60, 21,805.80 and 13,193.20 is: 19,737.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,575.60 : 21,805.80 = 13,193.20 : x
  2. Step 2: Convert to fraction form
    14,575.60/21,805.80 = 13,193.20/x
  3. Step 3: Cross multiply
    14,575.60x = 21,805.80 × 13,193.20
  4. Step 4: Simplify right side
    14,575.60x = 287,688,280.56
  5. Step 5: Solve for x
    x = 287,688,280.56/14,575.60
  6. Step 6: Final answer
    x = 19,737.66

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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.