Home / 13,557.52-20,244-11,962.95

Finding the Fourth Proportional to 13,557.52, 20,244 and 11,962.95

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Solution

The fourth proportional to 13,557.52, 20,244 and 11,962.95 is: 17,863.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.52 : 20,244 = 11,962.95 : x
  2. Step 2: Convert to fraction form
    13,557.52/20,244 = 11,962.95/x
  3. Step 3: Cross multiply
    13,557.52x = 20,244 × 11,962.95
  4. Step 4: Simplify right side
    13,557.52x = 242,177,959.80
  5. Step 5: Solve for x
    x = 242,177,959.80/13,557.52
  6. Step 6: Final answer
    x = 17,863.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.