Home / 18,347.02-25,318.78-9,963.52

Finding the Fourth Proportional to 18,347.02, 25,318.78 and 9,963.52

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Solution

The fourth proportional to 18,347.02, 25,318.78 and 9,963.52 is: 13,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.02 : 25,318.78 = 9,963.52 : x
  2. Step 2: Convert to fraction form
    18,347.02/25,318.78 = 9,963.52/x
  3. Step 3: Cross multiply
    18,347.02x = 25,318.78 × 9,963.52
  4. Step 4: Simplify right side
    18,347.02x = 252,264,170.91
  5. Step 5: Solve for x
    x = 252,264,170.91/18,347.02
  6. Step 6: Final answer
    x = 13,749.60

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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.