Home / 22,781.48-31,420.66-14,826.27

Finding the Fourth Proportional to 22,781.48, 31,420.66 and 14,826.27

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Solution

The fourth proportional to 22,781.48, 31,420.66 and 14,826.27 is: 20,448.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,781.48 : 31,420.66 = 14,826.27 : x
  2. Step 2: Convert to fraction form
    22,781.48/31,420.66 = 14,826.27/x
  3. Step 3: Cross multiply
    22,781.48x = 31,420.66 × 14,826.27
  4. Step 4: Simplify right side
    22,781.48x = 465,851,114.61
  5. Step 5: Solve for x
    x = 465,851,114.61/22,781.48
  6. Step 6: Final answer
    x = 20,448.68

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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.