Home / 18,301.44-25,256.02-9,917.94

Finding the Fourth Proportional to 18,301.44, 25,256.02 and 9,917.94

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Solution

The fourth proportional to 18,301.44, 25,256.02 and 9,917.94 is: 13,686.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.44 : 25,256.02 = 9,917.94 : x
  2. Step 2: Convert to fraction form
    18,301.44/25,256.02 = 9,917.94/x
  3. Step 3: Cross multiply
    18,301.44x = 25,256.02 × 9,917.94
  4. Step 4: Simplify right side
    18,301.44x = 250,487,691.00
  5. Step 5: Solve for x
    x = 250,487,691.00/18,301.44
  6. Step 6: Final answer
    x = 13,686.77

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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.