Home / 13,295.28-18,347.49-7,326.96

Finding the Fourth Proportional to 13,295.28, 18,347.49 and 7,326.96

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Solution

The fourth proportional to 13,295.28, 18,347.49 and 7,326.96 is: 10,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.28 : 18,347.49 = 7,326.96 : x
  2. Step 2: Convert to fraction form
    13,295.28/18,347.49 = 7,326.96/x
  3. Step 3: Cross multiply
    13,295.28x = 18,347.49 × 7,326.96
  4. Step 4: Simplify right side
    13,295.28x = 134,431,325.33
  5. Step 5: Solve for x
    x = 134,431,325.33/13,295.28
  6. Step 6: Final answer
    x = 10,111.21

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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.