Home / 25,001.30-34,501.79-13,671.84

Finding the Fourth Proportional to 25,001.30, 34,501.79 and 13,671.84

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Solution

The fourth proportional to 25,001.30, 34,501.79 and 13,671.84 is: 18,867.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,001.30 : 34,501.79 = 13,671.84 : x
  2. Step 2: Convert to fraction form
    25,001.30/34,501.79 = 13,671.84/x
  3. Step 3: Cross multiply
    25,001.30x = 34,501.79 × 13,671.84
  4. Step 4: Simplify right side
    25,001.30x = 471,702,780.08
  5. Step 5: Solve for x
    x = 471,702,780.08/25,001.30
  6. Step 6: Final answer
    x = 18,867.13

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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.