Home / 18,526.06-25,565.97-10,142.56

Finding the Fourth Proportional to 18,526.06, 25,565.97 and 10,142.56

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Solution

The fourth proportional to 18,526.06, 25,565.97 and 10,142.56 is: 13,996.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.06 : 25,565.97 = 10,142.56 : x
  2. Step 2: Convert to fraction form
    18,526.06/25,565.97 = 10,142.56/x
  3. Step 3: Cross multiply
    18,526.06x = 25,565.97 × 10,142.56
  4. Step 4: Simplify right side
    18,526.06x = 259,304,384.68
  5. Step 5: Solve for x
    x = 259,304,384.68/18,526.06
  6. Step 6: Final answer
    x = 13,996.74

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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.