Home / 19,897.15-29,850.84-5,857.62

Finding the Fourth Proportional to 19,897.15, 29,850.84 and 5,857.62

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Solution

The fourth proportional to 19,897.15, 29,850.84 and 5,857.62 is: 8,787.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,897.15 : 29,850.84 = 5,857.62 : x
  2. Step 2: Convert to fraction form
    19,897.15/29,850.84 = 5,857.62/x
  3. Step 3: Cross multiply
    19,897.15x = 29,850.84 × 5,857.62
  4. Step 4: Simplify right side
    19,897.15x = 174,854,877.40
  5. Step 5: Solve for x
    x = 174,854,877.40/19,897.15
  6. Step 6: Final answer
    x = 8,787.94

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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.