Home / 22,655.44-31,256.96-13,699.52

Finding the Fourth Proportional to 22,655.44, 31,256.96 and 13,699.52

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Solution

The fourth proportional to 22,655.44, 31,256.96 and 13,699.52 is: 18,900.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,655.44 : 31,256.96 = 13,699.52 : x
  2. Step 2: Convert to fraction form
    22,655.44/31,256.96 = 13,699.52/x
  3. Step 3: Cross multiply
    22,655.44x = 31,256.96 × 13,699.52
  4. Step 4: Simplify right side
    22,655.44x = 428,205,348.66
  5. Step 5: Solve for x
    x = 428,205,348.66/22,655.44
  6. Step 6: Final answer
    x = 18,900.77

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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.