Home / 21,416.90-32,269.85-17,750.13

Finding the Fourth Proportional to 21,416.90, 32,269.85 and 17,750.13

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Solution

The fourth proportional to 21,416.90, 32,269.85 and 17,750.13 is: 26,744.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,416.90 : 32,269.85 = 17,750.13 : x
  2. Step 2: Convert to fraction form
    21,416.90/32,269.85 = 17,750.13/x
  3. Step 3: Cross multiply
    21,416.90x = 32,269.85 × 17,750.13
  4. Step 4: Simplify right side
    21,416.90x = 572,794,076.96
  5. Step 5: Solve for x
    x = 572,794,076.96/21,416.90
  6. Step 6: Final answer
    x = 26,744.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.