Home / 23,207.50-32,006.91-19,999.90

Finding the Fourth Proportional to 23,207.50, 32,006.91 and 19,999.90

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Solution

The fourth proportional to 23,207.50, 32,006.91 and 19,999.90 is: 27,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,207.50 : 32,006.91 = 19,999.90 : x
  2. Step 2: Convert to fraction form
    23,207.50/32,006.91 = 19,999.90/x
  3. Step 3: Cross multiply
    23,207.50x = 32,006.91 × 19,999.90
  4. Step 4: Simplify right side
    23,207.50x = 640,134,999.31
  5. Step 5: Solve for x
    x = 640,134,999.31/23,207.50
  6. Step 6: Final answer
    x = 27,583.11

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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.