Home / 22,662.60-31,275.45-12,591.06

Finding the Fourth Proportional to 22,662.60, 31,275.45 and 12,591.06

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Solution

The fourth proportional to 22,662.60, 31,275.45 and 12,591.06 is: 17,376.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,662.60 : 31,275.45 = 12,591.06 : x
  2. Step 2: Convert to fraction form
    22,662.60/31,275.45 = 12,591.06/x
  3. Step 3: Cross multiply
    22,662.60x = 31,275.45 × 12,591.06
  4. Step 4: Simplify right side
    22,662.60x = 393,791,067.48
  5. Step 5: Solve for x
    x = 393,791,067.48/22,662.60
  6. Step 6: Final answer
    x = 17,376.25

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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.