Home / 25,920.14-35,731.73-18,343.13

Finding the Fourth Proportional to 25,920.14, 35,731.73 and 18,343.13

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Solution

The fourth proportional to 25,920.14, 35,731.73 and 18,343.13 is: 25,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920.14 : 35,731.73 = 18,343.13 : x
  2. Step 2: Convert to fraction form
    25,920.14/35,731.73 = 18,343.13/x
  3. Step 3: Cross multiply
    25,920.14x = 35,731.73 × 18,343.13
  4. Step 4: Simplify right side
    25,920.14x = 655,431,635.71
  5. Step 5: Solve for x
    x = 655,431,635.71/25,920.14
  6. Step 6: Final answer
    x = 25,286.58

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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.