Home / 19,877.90-29,822.66-8,025.57

Finding the Fourth Proportional to 19,877.90, 29,822.66 and 8,025.57

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Solution

The fourth proportional to 19,877.90, 29,822.66 and 8,025.57 is: 12,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,877.90 : 29,822.66 = 8,025.57 : x
  2. Step 2: Convert to fraction form
    19,877.90/29,822.66 = 8,025.57/x
  3. Step 3: Cross multiply
    19,877.90x = 29,822.66 × 8,025.57
  4. Step 4: Simplify right side
    19,877.90x = 239,343,805.29
  5. Step 5: Solve for x
    x = 239,343,805.29/19,877.90
  6. Step 6: Final answer
    x = 12,040.70

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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.