Home / 13,732.47-18,951.62-9,256.95

Finding the Fourth Proportional to 13,732.47, 18,951.62 and 9,256.95

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Solution

The fourth proportional to 13,732.47, 18,951.62 and 9,256.95 is: 12,775.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732.47 : 18,951.62 = 9,256.95 : x
  2. Step 2: Convert to fraction form
    13,732.47/18,951.62 = 9,256.95/x
  3. Step 3: Cross multiply
    13,732.47x = 18,951.62 × 9,256.95
  4. Step 4: Simplify right side
    13,732.47x = 175,434,152.47
  5. Step 5: Solve for x
    x = 175,434,152.47/13,732.47
  6. Step 6: Final answer
    x = 12,775.13

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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.