Home / 25,005.81-34,508.89-13,676.04

Finding the Fourth Proportional to 25,005.81, 34,508.89 and 13,676.04

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Solution

The fourth proportional to 25,005.81, 34,508.89 and 13,676.04 is: 18,873.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,005.81 : 34,508.89 = 13,676.04 : x
  2. Step 2: Convert to fraction form
    25,005.81/34,508.89 = 13,676.04/x
  3. Step 3: Cross multiply
    25,005.81x = 34,508.89 × 13,676.04
  4. Step 4: Simplify right side
    25,005.81x = 471,944,900.16
  5. Step 5: Solve for x
    x = 471,944,900.16/25,005.81
  6. Step 6: Final answer
    x = 18,873.41

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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.