Home / 15,124.80-22,687.20-9,584.40

Finding the Fourth Proportional to 15,124.80, 22,687.20 and 9,584.40

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Solution

The fourth proportional to 15,124.80, 22,687.20 and 9,584.40 is: 14,376.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,124.80 : 22,687.20 = 9,584.40 : x
  2. Step 2: Convert to fraction form
    15,124.80/22,687.20 = 9,584.40/x
  3. Step 3: Cross multiply
    15,124.80x = 22,687.20 × 9,584.40
  4. Step 4: Simplify right side
    15,124.80x = 217,443,199.68
  5. Step 5: Solve for x
    x = 217,443,199.68/15,124.80
  6. Step 6: Final answer
    x = 14,376.60

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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.