Home / 22,877.67-31,572.60-13,317.75

Finding the Fourth Proportional to 22,877.67, 31,572.60 and 13,317.75

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Solution

The fourth proportional to 22,877.67, 31,572.60 and 13,317.75 is: 18,379.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,877.67 : 31,572.60 = 13,317.75 : x
  2. Step 2: Convert to fraction form
    22,877.67/31,572.60 = 13,317.75/x
  3. Step 3: Cross multiply
    22,877.67x = 31,572.60 × 13,317.75
  4. Step 4: Simplify right side
    22,877.67x = 420,475,927.06
  5. Step 5: Solve for x
    x = 420,475,927.06/22,877.67
  6. Step 6: Final answer
    x = 18,379.32

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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.