Home / 25,130.52-34,677.76-14,518.72

Finding the Fourth Proportional to 25,130.52, 34,677.76 and 14,518.72

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Solution

The fourth proportional to 25,130.52, 34,677.76 and 14,518.72 is: 20,034.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,130.52 : 34,677.76 = 14,518.72 : x
  2. Step 2: Convert to fraction form
    25,130.52/34,677.76 = 14,518.72/x
  3. Step 3: Cross multiply
    25,130.52x = 34,677.76 × 14,518.72
  4. Step 4: Simplify right side
    25,130.52x = 503,476,687.67
  5. Step 5: Solve for x
    x = 503,476,687.67/25,130.52
  6. Step 6: Final answer
    x = 20,034.47

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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.