Home / 25,904.90-38,864.19-10,913.36

Finding the Fourth Proportional to 25,904.90, 38,864.19 and 10,913.36

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Solution

The fourth proportional to 25,904.90, 38,864.19 and 10,913.36 is: 16,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,904.90 : 38,864.19 = 10,913.36 : x
  2. Step 2: Convert to fraction form
    25,904.90/38,864.19 = 10,913.36/x
  3. Step 3: Cross multiply
    25,904.90x = 38,864.19 × 10,913.36
  4. Step 4: Simplify right side
    25,904.90x = 424,138,647.69
  5. Step 5: Solve for x
    x = 424,138,647.69/25,904.90
  6. Step 6: Final answer
    x = 16,372.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.