Home / 16,854.90-25,278.30-5,006.40

Finding the Fourth Proportional to 16,854.90, 25,278.30 and 5,006.40

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Solution

The fourth proportional to 16,854.90, 25,278.30 and 5,006.40 is: 7,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,854.90 : 25,278.30 = 5,006.40 : x
  2. Step 2: Convert to fraction form
    16,854.90/25,278.30 = 5,006.40/x
  3. Step 3: Cross multiply
    16,854.90x = 25,278.30 × 5,006.40
  4. Step 4: Simplify right side
    16,854.90x = 126,553,281.12
  5. Step 5: Solve for x
    x = 126,553,281.12/16,854.90
  6. Step 6: Final answer
    x = 7,508.40

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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.