Home / 19,168.68-26,456.45-10,785.18

Finding the Fourth Proportional to 19,168.68, 26,456.45 and 10,785.18

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Solution

The fourth proportional to 19,168.68, 26,456.45 and 10,785.18 is: 14,885.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,168.68 : 26,456.45 = 10,785.18 : x
  2. Step 2: Convert to fraction form
    19,168.68/26,456.45 = 10,785.18/x
  3. Step 3: Cross multiply
    19,168.68x = 26,456.45 × 10,785.18
  4. Step 4: Simplify right side
    19,168.68x = 285,337,575.41
  5. Step 5: Solve for x
    x = 285,337,575.41/19,168.68
  6. Step 6: Final answer
    x = 14,885.61

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Double scale
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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.