Home / 22,817.76-31,486.93-12,608.35

Finding the Fourth Proportional to 22,817.76, 31,486.93 and 12,608.35

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Solution

The fourth proportional to 22,817.76, 31,486.93 and 12,608.35 is: 17,398.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,817.76 : 31,486.93 = 12,608.35 : x
  2. Step 2: Convert to fraction form
    22,817.76/31,486.93 = 12,608.35/x
  3. Step 3: Cross multiply
    22,817.76x = 31,486.93 × 12,608.35
  4. Step 4: Simplify right side
    22,817.76x = 396,998,123.63
  5. Step 5: Solve for x
    x = 396,998,123.63/22,817.76
  6. Step 6: Final answer
    x = 17,398.65

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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.