Home / 15,129.49-22,670.51-9,571.09

Finding the Fourth Proportional to 15,129.49, 22,670.51 and 9,571.09

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Solution

The fourth proportional to 15,129.49, 22,670.51 and 9,571.09 is: 14,341.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,129.49 : 22,670.51 = 9,571.09 : x
  2. Step 2: Convert to fraction form
    15,129.49/22,670.51 = 9,571.09/x
  3. Step 3: Cross multiply
    15,129.49x = 22,670.51 × 9,571.09
  4. Step 4: Simplify right side
    15,129.49x = 216,981,378.20
  5. Step 5: Solve for x
    x = 216,981,378.20/15,129.49
  6. Step 6: Final answer
    x = 14,341.62

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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.