Home / 23,781.90-32,835.06-21,255.92

Finding the Fourth Proportional to 23,781.90, 32,835.06 and 21,255.92

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Solution

The fourth proportional to 23,781.90, 32,835.06 and 21,255.92 is: 29,347.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,781.90 : 32,835.06 = 21,255.92 : x
  2. Step 2: Convert to fraction form
    23,781.90/32,835.06 = 21,255.92/x
  3. Step 3: Cross multiply
    23,781.90x = 32,835.06 × 21,255.92
  4. Step 4: Simplify right side
    23,781.90x = 697,939,244.38
  5. Step 5: Solve for x
    x = 697,939,244.38/23,781.90
  6. Step 6: Final answer
    x = 29,347.50

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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.