Home / 25,411.28-35,062.56-15,974.36

Finding the Fourth Proportional to 25,411.28, 35,062.56 and 15,974.36

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Solution

The fourth proportional to 25,411.28, 35,062.56 and 15,974.36 is: 22,041.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,411.28 : 35,062.56 = 15,974.36 : x
  2. Step 2: Convert to fraction form
    25,411.28/35,062.56 = 15,974.36/x
  3. Step 3: Cross multiply
    25,411.28x = 35,062.56 × 15,974.36
  4. Step 4: Simplify right side
    25,411.28x = 560,101,955.96
  5. Step 5: Solve for x
    x = 560,101,955.96/25,411.28
  6. Step 6: Final answer
    x = 22,041.47

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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.