Home / 12,192.48-16,833.42-9,959.70

Finding the Fourth Proportional to 12,192.48, 16,833.42 and 9,959.70

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Solution

The fourth proportional to 12,192.48, 16,833.42 and 9,959.70 is: 13,750.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.48 : 16,833.42 = 9,959.70 : x
  2. Step 2: Convert to fraction form
    12,192.48/16,833.42 = 9,959.70/x
  3. Step 3: Cross multiply
    12,192.48x = 16,833.42 × 9,959.70
  4. Step 4: Simplify right side
    12,192.48x = 167,655,813.17
  5. Step 5: Solve for x
    x = 167,655,813.17/12,192.48
  6. Step 6: Final answer
    x = 13,750.76

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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.