Home / 14,040.24-19,382.56-8,736.76

Finding the Fourth Proportional to 14,040.24, 19,382.56 and 8,736.76

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Solution

The fourth proportional to 14,040.24, 19,382.56 and 8,736.76 is: 12,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.24 : 19,382.56 = 8,736.76 : x
  2. Step 2: Convert to fraction form
    14,040.24/19,382.56 = 8,736.76/x
  3. Step 3: Cross multiply
    14,040.24x = 19,382.56 × 8,736.76
  4. Step 4: Simplify right side
    14,040.24x = 169,340,774.91
  5. Step 5: Solve for x
    x = 169,340,774.91/14,040.24
  6. Step 6: Final answer
    x = 12,061.10

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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.