Home / 23,159.34-31,959.68-13,087.60

Finding the Fourth Proportional to 23,159.34, 31,959.68 and 13,087.60

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Solution

The fourth proportional to 23,159.34, 31,959.68 and 13,087.60 is: 18,060.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,159.34 : 31,959.68 = 13,087.60 : x
  2. Step 2: Convert to fraction form
    23,159.34/31,959.68 = 13,087.60/x
  3. Step 3: Cross multiply
    23,159.34x = 31,959.68 × 13,087.60
  4. Step 4: Simplify right side
    23,159.34x = 418,275,507.97
  5. Step 5: Solve for x
    x = 418,275,507.97/23,159.34
  6. Step 6: Final answer
    x = 18,060.77

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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.