Home / 14,176.76-19,561.11-7,887.92

Finding the Fourth Proportional to 14,176.76, 19,561.11 and 7,887.92

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Solution

The fourth proportional to 14,176.76, 19,561.11 and 7,887.92 is: 10,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.76 : 19,561.11 = 7,887.92 : x
  2. Step 2: Convert to fraction form
    14,176.76/19,561.11 = 7,887.92/x
  3. Step 3: Cross multiply
    14,176.76x = 19,561.11 × 7,887.92
  4. Step 4: Simplify right side
    14,176.76x = 154,296,470.79
  5. Step 5: Solve for x
    x = 154,296,470.79/14,176.76
  6. Step 6: Final answer
    x = 10,883.76

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Double scale
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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.