Home / 13,224.24-18,248.31-7,255.89

Finding the Fourth Proportional to 13,224.24, 18,248.31 and 7,255.89

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Solution

The fourth proportional to 13,224.24, 18,248.31 and 7,255.89 is: 10,012.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.24 : 18,248.31 = 7,255.89 : x
  2. Step 2: Convert to fraction form
    13,224.24/18,248.31 = 7,255.89/x
  3. Step 3: Cross multiply
    13,224.24x = 18,248.31 × 7,255.89
  4. Step 4: Simplify right side
    13,224.24x = 132,407,730.05
  5. Step 5: Solve for x
    x = 132,407,730.05/13,224.24
  6. Step 6: Final answer
    x = 10,012.50

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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.