Home / 18,828.17-28,084.22-17,298.11

Finding the Fourth Proportional to 18,828.17, 28,084.22 and 17,298.11

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Solution

The fourth proportional to 18,828.17, 28,084.22 and 17,298.11 is: 25,801.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828.17 : 28,084.22 = 17,298.11 : x
  2. Step 2: Convert to fraction form
    18,828.17/28,084.22 = 17,298.11/x
  3. Step 3: Cross multiply
    18,828.17x = 28,084.22 × 17,298.11
  4. Step 4: Simplify right side
    18,828.17x = 485,803,817.44
  5. Step 5: Solve for x
    x = 485,803,817.44/18,828.17
  6. Step 6: Final answer
    x = 25,801.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.