Home / 18,527.06-25,565.70-10,972.02

Finding the Fourth Proportional to 18,527.06, 25,565.70 and 10,972.02

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Solution

The fourth proportional to 18,527.06, 25,565.70 and 10,972.02 is: 15,140.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,527.06 : 25,565.70 = 10,972.02 : x
  2. Step 2: Convert to fraction form
    18,527.06/25,565.70 = 10,972.02/x
  3. Step 3: Cross multiply
    18,527.06x = 25,565.70 × 10,972.02
  4. Step 4: Simplify right side
    18,527.06x = 280,507,371.71
  5. Step 5: Solve for x
    x = 280,507,371.71/18,527.06
  6. Step 6: Final answer
    x = 15,140.41

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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.