Home / 25,189.68-34,760.28-14,578.56

Finding the Fourth Proportional to 25,189.68, 34,760.28 and 14,578.56

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Solution

The fourth proportional to 25,189.68, 34,760.28 and 14,578.56 is: 20,117.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,189.68 : 34,760.28 = 14,578.56 : x
  2. Step 2: Convert to fraction form
    25,189.68/34,760.28 = 14,578.56/x
  3. Step 3: Cross multiply
    25,189.68x = 34,760.28 × 14,578.56
  4. Step 4: Simplify right side
    25,189.68x = 506,754,827.60
  5. Step 5: Solve for x
    x = 506,754,827.60/25,189.68
  6. Step 6: Final answer
    x = 20,117.56

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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.