Home / 25,053.71-34,574.61-13,723.20

Finding the Fourth Proportional to 25,053.71, 34,574.61 and 13,723.20

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Solution

The fourth proportional to 25,053.71, 34,574.61 and 13,723.20 is: 18,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,053.71 : 34,574.61 = 13,723.20 : x
  2. Step 2: Convert to fraction form
    25,053.71/34,574.61 = 13,723.20/x
  3. Step 3: Cross multiply
    25,053.71x = 34,574.61 × 13,723.20
  4. Step 4: Simplify right side
    25,053.71x = 474,474,287.95
  5. Step 5: Solve for x
    x = 474,474,287.95/25,053.71
  6. Step 6: Final answer
    x = 18,938.29

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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.