Home / 13,244.23-18,276.13-7,276.15

Finding the Fourth Proportional to 13,244.23, 18,276.13 and 7,276.15

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Solution

The fourth proportional to 13,244.23, 18,276.13 and 7,276.15 is: 10,040.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.23 : 18,276.13 = 7,276.15 : x
  2. Step 2: Convert to fraction form
    13,244.23/18,276.13 = 7,276.15/x
  3. Step 3: Cross multiply
    13,244.23x = 18,276.13 × 7,276.15
  4. Step 4: Simplify right side
    13,244.23x = 132,979,863.30
  5. Step 5: Solve for x
    x = 132,979,863.30/13,244.23
  6. Step 6: Final answer
    x = 10,040.59

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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.