Home / 14,463.28-19,959.78-8,176.06

Finding the Fourth Proportional to 14,463.28, 19,959.78 and 8,176.06

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Solution

The fourth proportional to 14,463.28, 19,959.78 and 8,176.06 is: 11,283.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,463.28 : 19,959.78 = 8,176.06 : x
  2. Step 2: Convert to fraction form
    14,463.28/19,959.78 = 8,176.06/x
  3. Step 3: Cross multiply
    14,463.28x = 19,959.78 × 8,176.06
  4. Step 4: Simplify right side
    14,463.28x = 163,192,358.87
  5. Step 5: Solve for x
    x = 163,192,358.87/14,463.28
  6. Step 6: Final answer
    x = 11,283.22

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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.