Home / 14,475.47-19,974.74-8,101.69

Finding the Fourth Proportional to 14,475.47, 19,974.74 and 8,101.69

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Solution

The fourth proportional to 14,475.47, 19,974.74 and 8,101.69 is: 11,179.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.47 : 19,974.74 = 8,101.69 : x
  2. Step 2: Convert to fraction form
    14,475.47/19,974.74 = 8,101.69/x
  3. Step 3: Cross multiply
    14,475.47x = 19,974.74 × 8,101.69
  4. Step 4: Simplify right side
    14,475.47x = 161,829,051.44
  5. Step 5: Solve for x
    x = 161,829,051.44/14,475.47
  6. Step 6: Final answer
    x = 11,179.53

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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.