Home / 22,804.76-34,280.70-21,146.57

Finding the Fourth Proportional to 22,804.76, 34,280.70 and 21,146.57

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Solution

The fourth proportional to 22,804.76, 34,280.70 and 21,146.57 is: 31,788.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,804.76 : 34,280.70 = 21,146.57 : x
  2. Step 2: Convert to fraction form
    22,804.76/34,280.70 = 21,146.57/x
  3. Step 3: Cross multiply
    22,804.76x = 34,280.70 × 21,146.57
  4. Step 4: Simplify right side
    22,804.76x = 724,919,100.05
  5. Step 5: Solve for x
    x = 724,919,100.05/22,804.76
  6. Step 6: Final answer
    x = 31,788.06

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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.