Home / 14,160.27-19,542.20-7,873.59

Finding the Fourth Proportional to 14,160.27, 19,542.20 and 7,873.59

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Solution

The fourth proportional to 14,160.27, 19,542.20 and 7,873.59 is: 10,866.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.27 : 19,542.20 = 7,873.59 : x
  2. Step 2: Convert to fraction form
    14,160.27/19,542.20 = 7,873.59/x
  3. Step 3: Cross multiply
    14,160.27x = 19,542.20 × 7,873.59
  4. Step 4: Simplify right side
    14,160.27x = 153,867,231.13
  5. Step 5: Solve for x
    x = 153,867,231.13/14,160.27
  6. Step 6: Final answer
    x = 10,866.12

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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.