Home / 19,901.39-29,847.30-5,857.61

Finding the Fourth Proportional to 19,901.39, 29,847.30 and 5,857.61

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Solution

The fourth proportional to 19,901.39, 29,847.30 and 5,857.61 is: 8,785.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,901.39 : 29,847.30 = 5,857.61 : x
  2. Step 2: Convert to fraction form
    19,901.39/29,847.30 = 5,857.61/x
  3. Step 3: Cross multiply
    19,901.39x = 29,847.30 × 5,857.61
  4. Step 4: Simplify right side
    19,901.39x = 174,833,715.68
  5. Step 5: Solve for x
    x = 174,833,715.68/19,901.39
  6. Step 6: Final answer
    x = 8,785.00

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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.