Home / 14,160.60-19,541.68-7,872.97

Finding the Fourth Proportional to 14,160.60, 19,541.68 and 7,872.97

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Solution

The fourth proportional to 14,160.60, 19,541.68 and 7,872.97 is: 10,864.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.60 : 19,541.68 = 7,872.97 : x
  2. Step 2: Convert to fraction form
    14,160.60/19,541.68 = 7,872.97/x
  3. Step 3: Cross multiply
    14,160.60x = 19,541.68 × 7,872.97
  4. Step 4: Simplify right side
    14,160.60x = 153,851,060.39
  5. Step 5: Solve for x
    x = 153,851,060.39/14,160.60
  6. Step 6: Final answer
    x = 10,864.73

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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.