Home / 18,641.52-25,723.71-10,983.60

Finding the Fourth Proportional to 18,641.52, 25,723.71 and 10,983.60

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Solution

The fourth proportional to 18,641.52, 25,723.71 and 10,983.60 is: 15,156.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,641.52 : 25,723.71 = 10,983.60 : x
  2. Step 2: Convert to fraction form
    18,641.52/25,723.71 = 10,983.60/x
  3. Step 3: Cross multiply
    18,641.52x = 25,723.71 × 10,983.60
  4. Step 4: Simplify right side
    18,641.52x = 282,538,941.16
  5. Step 5: Solve for x
    x = 282,538,941.16/18,641.52
  6. Step 6: Final answer
    x = 15,156.43

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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.