Home / 14,756.97-20,363.91-8,042.57

Finding the Fourth Proportional to 14,756.97, 20,363.91 and 8,042.57

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Solution

The fourth proportional to 14,756.97, 20,363.91 and 8,042.57 is: 11,098.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,756.97 : 20,363.91 = 8,042.57 : x
  2. Step 2: Convert to fraction form
    14,756.97/20,363.91 = 8,042.57/x
  3. Step 3: Cross multiply
    14,756.97x = 20,363.91 × 8,042.57
  4. Step 4: Simplify right side
    14,756.97x = 163,778,069.83
  5. Step 5: Solve for x
    x = 163,778,069.83/14,756.97
  6. Step 6: Final answer
    x = 11,098.35

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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.