Home / 13,224.45-18,248.79-7,255.16

Finding the Fourth Proportional to 13,224.45, 18,248.79 and 7,255.16

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Solution

The fourth proportional to 13,224.45, 18,248.79 and 7,255.16 is: 10,011.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.45 : 18,248.79 = 7,255.16 : x
  2. Step 2: Convert to fraction form
    13,224.45/18,248.79 = 7,255.16/x
  3. Step 3: Cross multiply
    13,224.45x = 18,248.79 × 7,255.16
  4. Step 4: Simplify right side
    13,224.45x = 132,397,800.01
  5. Step 5: Solve for x
    x = 132,397,800.01/13,224.45
  6. Step 6: Final answer
    x = 10,011.59

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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.