Home / 22,980.30-34,470.62-12,586.38

Finding the Fourth Proportional to 22,980.30, 34,470.62 and 12,586.38

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Solution

The fourth proportional to 22,980.30, 34,470.62 and 12,586.38 is: 18,879.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,980.30 : 34,470.62 = 12,586.38 : x
  2. Step 2: Convert to fraction form
    22,980.30/34,470.62 = 12,586.38/x
  3. Step 3: Cross multiply
    22,980.30x = 34,470.62 × 12,586.38
  4. Step 4: Simplify right side
    22,980.30x = 433,860,322.16
  5. Step 5: Solve for x
    x = 433,860,322.16/22,980.30
  6. Step 6: Final answer
    x = 18,879.66

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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.