Home / 22,276.75-30,741.92-12,340.75

Finding the Fourth Proportional to 22,276.75, 30,741.92 and 12,340.75

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Solution

The fourth proportional to 22,276.75, 30,741.92 and 12,340.75 is: 17,030.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,276.75 : 30,741.92 = 12,340.75 : x
  2. Step 2: Convert to fraction form
    22,276.75/30,741.92 = 12,340.75/x
  3. Step 3: Cross multiply
    22,276.75x = 30,741.92 × 12,340.75
  4. Step 4: Simplify right side
    22,276.75x = 379,378,349.24
  5. Step 5: Solve for x
    x = 379,378,349.24/22,276.75
  6. Step 6: Final answer
    x = 17,030.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.