Home / 22,818.96-34,187.70-13,929.60

Finding the Fourth Proportional to 22,818.96, 34,187.70 and 13,929.60

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Solution

The fourth proportional to 22,818.96, 34,187.70 and 13,929.60 is: 20,869.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,818.96 : 34,187.70 = 13,929.60 : x
  2. Step 2: Convert to fraction form
    22,818.96/34,187.70 = 13,929.60/x
  3. Step 3: Cross multiply
    22,818.96x = 34,187.70 × 13,929.60
  4. Step 4: Simplify right side
    22,818.96x = 476,220,985.92
  5. Step 5: Solve for x
    x = 476,220,985.92/22,818.96
  6. Step 6: Final answer
    x = 20,869.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.