Home / 22,600.86-31,182.80-13,167.60

Finding the Fourth Proportional to 22,600.86, 31,182.80 and 13,167.60

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Solution

The fourth proportional to 22,600.86, 31,182.80 and 13,167.60 is: 18,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,600.86 : 31,182.80 = 13,167.60 : x
  2. Step 2: Convert to fraction form
    22,600.86/31,182.80 = 13,167.60/x
  3. Step 3: Cross multiply
    22,600.86x = 31,182.80 × 13,167.60
  4. Step 4: Simplify right side
    22,600.86x = 410,602,637.28
  5. Step 5: Solve for x
    x = 410,602,637.28/22,600.86
  6. Step 6: Final answer
    x = 18,167.57

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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.