Home / 14,250.83-19,666.05-7,963.22

Finding the Fourth Proportional to 14,250.83, 19,666.05 and 7,963.22

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Solution

The fourth proportional to 14,250.83, 19,666.05 and 7,963.22 is: 10,989.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.83 : 19,666.05 = 7,963.22 : x
  2. Step 2: Convert to fraction form
    14,250.83/19,666.05 = 7,963.22/x
  3. Step 3: Cross multiply
    14,250.83x = 19,666.05 × 7,963.22
  4. Step 4: Simplify right side
    14,250.83x = 156,605,082.68
  5. Step 5: Solve for x
    x = 156,605,082.68/14,250.83
  6. Step 6: Final answer
    x = 10,989.19

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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.