Home / 14,332.66-19,780.90-8,045.04

Finding the Fourth Proportional to 14,332.66, 19,780.90 and 8,045.04

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Solution

The fourth proportional to 14,332.66, 19,780.90 and 8,045.04 is: 11,103.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,332.66 : 19,780.90 = 8,045.04 : x
  2. Step 2: Convert to fraction form
    14,332.66/19,780.90 = 8,045.04/x
  3. Step 3: Cross multiply
    14,332.66x = 19,780.90 × 8,045.04
  4. Step 4: Simplify right side
    14,332.66x = 159,138,131.74
  5. Step 5: Solve for x
    x = 159,138,131.74/14,332.66
  6. Step 6: Final answer
    x = 11,103.18

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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.