Home / 13,324.26-18,386.47-7,659.02

Finding the Fourth Proportional to 13,324.26, 18,386.47 and 7,659.02

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Solution

The fourth proportional to 13,324.26, 18,386.47 and 7,659.02 is: 10,568.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.26 : 18,386.47 = 7,659.02 : x
  2. Step 2: Convert to fraction form
    13,324.26/18,386.47 = 7,659.02/x
  3. Step 3: Cross multiply
    13,324.26x = 18,386.47 × 7,659.02
  4. Step 4: Simplify right side
    13,324.26x = 140,822,341.46
  5. Step 5: Solve for x
    x = 140,822,341.46/13,324.26
  6. Step 6: Final answer
    x = 10,568.87

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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.