Home / 22,575.04-31,153.52-12,639.04

Finding the Fourth Proportional to 22,575.04, 31,153.52 and 12,639.04

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Solution

The fourth proportional to 22,575.04, 31,153.52 and 12,639.04 is: 17,441.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,575.04 : 31,153.52 = 12,639.04 : x
  2. Step 2: Convert to fraction form
    22,575.04/31,153.52 = 12,639.04/x
  3. Step 3: Cross multiply
    22,575.04x = 31,153.52 × 12,639.04
  4. Step 4: Simplify right side
    22,575.04x = 393,750,585.42
  5. Step 5: Solve for x
    x = 393,750,585.42/22,575.04
  6. Step 6: Final answer
    x = 17,441.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.