Home / 23,187.02-31,998.15-12,576.68

Finding the Fourth Proportional to 23,187.02, 31,998.15 and 12,576.68

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Solution

The fourth proportional to 23,187.02, 31,998.15 and 12,576.68 is: 17,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,187.02 : 31,998.15 = 12,576.68 : x
  2. Step 2: Convert to fraction form
    23,187.02/31,998.15 = 12,576.68/x
  3. Step 3: Cross multiply
    23,187.02x = 31,998.15 × 12,576.68
  4. Step 4: Simplify right side
    23,187.02x = 402,430,493.14
  5. Step 5: Solve for x
    x = 402,430,493.14/23,187.02
  6. Step 6: Final answer
    x = 17,355.85

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Double scale
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Similar ratio
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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.