Home / 25,001.44-34,502.72-13,671.60

Finding the Fourth Proportional to 25,001.44, 34,502.72 and 13,671.60

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Solution

The fourth proportional to 25,001.44, 34,502.72 and 13,671.60 is: 18,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,001.44 : 34,502.72 = 13,671.60 : x
  2. Step 2: Convert to fraction form
    25,001.44/34,502.72 = 13,671.60/x
  3. Step 3: Cross multiply
    25,001.44x = 34,502.72 × 13,671.60
  4. Step 4: Simplify right side
    25,001.44x = 471,707,386.75
  5. Step 5: Solve for x
    x = 471,707,386.75/25,001.44
  6. Step 6: Final answer
    x = 18,867.21

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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.