Home / 14,320.74-19,761.54-8,351.66

Finding the Fourth Proportional to 14,320.74, 19,761.54 and 8,351.66

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Solution

The fourth proportional to 14,320.74, 19,761.54 and 8,351.66 is: 11,524.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.74 : 19,761.54 = 8,351.66 : x
  2. Step 2: Convert to fraction form
    14,320.74/19,761.54 = 8,351.66/x
  3. Step 3: Cross multiply
    14,320.74x = 19,761.54 × 8,351.66
  4. Step 4: Simplify right side
    14,320.74x = 165,041,663.16
  5. Step 5: Solve for x
    x = 165,041,663.16/14,320.74
  6. Step 6: Final answer
    x = 11,524.66

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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.