Home / 22,654.02-31,261.62-12,582.90

Finding the Fourth Proportional to 22,654.02, 31,261.62 and 12,582.90

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Solution

The fourth proportional to 22,654.02, 31,261.62 and 12,582.90 is: 17,363.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,654.02 : 31,261.62 = 12,582.90 : x
  2. Step 2: Convert to fraction form
    22,654.02/31,261.62 = 12,582.90/x
  3. Step 3: Cross multiply
    22,654.02x = 31,261.62 × 12,582.90
  4. Step 4: Simplify right side
    22,654.02x = 393,361,838.30
  5. Step 5: Solve for x
    x = 393,361,838.30/22,654.02
  6. Step 6: Final answer
    x = 17,363.89

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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.