Home / 25,139.85-34,689.12-14,527.44

Finding the Fourth Proportional to 25,139.85, 34,689.12 and 14,527.44

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Solution

The fourth proportional to 25,139.85, 34,689.12 and 14,527.44 is: 20,045.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,139.85 : 34,689.12 = 14,527.44 : x
  2. Step 2: Convert to fraction form
    25,139.85/34,689.12 = 14,527.44/x
  3. Step 3: Cross multiply
    25,139.85x = 34,689.12 × 14,527.44
  4. Step 4: Simplify right side
    25,139.85x = 503,944,109.45
  5. Step 5: Solve for x
    x = 503,944,109.45/25,139.85
  6. Step 6: Final answer
    x = 20,045.63

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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.