Home / 19,833.61-29,750.52-6,686.10

Finding the Fourth Proportional to 19,833.61, 29,750.52 and 6,686.10

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Solution

The fourth proportional to 19,833.61, 29,750.52 and 6,686.10 is: 10,029.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,833.61 : 29,750.52 = 6,686.10 : x
  2. Step 2: Convert to fraction form
    19,833.61/29,750.52 = 6,686.10/x
  3. Step 3: Cross multiply
    19,833.61x = 29,750.52 × 6,686.10
  4. Step 4: Simplify right side
    19,833.61x = 198,914,951.77
  5. Step 5: Solve for x
    x = 198,914,951.77/19,833.61
  6. Step 6: Final answer
    x = 10,029.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.