Home / 14,177.46-19,564.57-7,716.90

Finding the Fourth Proportional to 14,177.46, 19,564.57 and 7,716.90

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Solution

The fourth proportional to 14,177.46, 19,564.57 and 7,716.90 is: 10,649.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.46 : 19,564.57 = 7,716.90 : x
  2. Step 2: Convert to fraction form
    14,177.46/19,564.57 = 7,716.90/x
  3. Step 3: Cross multiply
    14,177.46x = 19,564.57 × 7,716.90
  4. Step 4: Simplify right side
    14,177.46x = 150,977,830.23
  5. Step 5: Solve for x
    x = 150,977,830.23/14,177.46
  6. Step 6: Final answer
    x = 10,649.15

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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.