Home / 23,152.60-31,955.81-13,086.87

Finding the Fourth Proportional to 23,152.60, 31,955.81 and 13,086.87

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Solution

The fourth proportional to 23,152.60, 31,955.81 and 13,086.87 is: 18,062.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,152.60 : 31,955.81 = 13,086.87 : x
  2. Step 2: Convert to fraction form
    23,152.60/31,955.81 = 13,086.87/x
  3. Step 3: Cross multiply
    23,152.60x = 31,955.81 × 13,086.87
  4. Step 4: Simplify right side
    23,152.60x = 418,201,531.21
  5. Step 5: Solve for x
    x = 418,201,531.21/23,152.60
  6. Step 6: Final answer
    x = 18,062.83

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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.