Home / 16,856.16-23,257.52-9,781.36

Finding the Fourth Proportional to 16,856.16, 23,257.52 and 9,781.36

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Solution

The fourth proportional to 16,856.16, 23,257.52 and 9,781.36 is: 13,495.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856.16 : 23,257.52 = 9,781.36 : x
  2. Step 2: Convert to fraction form
    16,856.16/23,257.52 = 9,781.36/x
  3. Step 3: Cross multiply
    16,856.16x = 23,257.52 × 9,781.36
  4. Step 4: Simplify right side
    16,856.16x = 227,490,175.83
  5. Step 5: Solve for x
    x = 227,490,175.83/16,856.16
  6. Step 6: Final answer
    x = 13,495.97

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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.