Home / 18,353.19-27,526.42-8,355.57

Finding the Fourth Proportional to 18,353.19, 27,526.42 and 8,355.57

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Solution

The fourth proportional to 18,353.19, 27,526.42 and 8,355.57 is: 12,531.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.19 : 27,526.42 = 8,355.57 : x
  2. Step 2: Convert to fraction form
    18,353.19/27,526.42 = 8,355.57/x
  3. Step 3: Cross multiply
    18,353.19x = 27,526.42 × 8,355.57
  4. Step 4: Simplify right side
    18,353.19x = 229,998,929.16
  5. Step 5: Solve for x
    x = 229,998,929.16/18,353.19
  6. Step 6: Final answer
    x = 12,531.82

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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.