Home / 22,656.62-31,265.56-12,585.07

Finding the Fourth Proportional to 22,656.62, 31,265.56 and 12,585.07

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Solution

The fourth proportional to 22,656.62, 31,265.56 and 12,585.07 is: 17,367.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,656.62 : 31,265.56 = 12,585.07 : x
  2. Step 2: Convert to fraction form
    22,656.62/31,265.56 = 12,585.07/x
  3. Step 3: Cross multiply
    22,656.62x = 31,265.56 × 12,585.07
  4. Step 4: Simplify right side
    22,656.62x = 393,479,361.84
  5. Step 5: Solve for x
    x = 393,479,361.84/22,656.62
  6. Step 6: Final answer
    x = 17,367.08

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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.