Home / 15,947.67-23,921.51-13,162.35

Finding the Fourth Proportional to 15,947.67, 23,921.51 and 13,162.35

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Solution

The fourth proportional to 15,947.67, 23,921.51 and 13,162.35 is: 19,743.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,947.67 : 23,921.51 = 13,162.35 : x
  2. Step 2: Convert to fraction form
    15,947.67/23,921.51 = 13,162.35/x
  3. Step 3: Cross multiply
    15,947.67x = 23,921.51 × 13,162.35
  4. Step 4: Simplify right side
    15,947.67x = 314,863,287.15
  5. Step 5: Solve for x
    x = 314,863,287.15/15,947.67
  6. Step 6: Final answer
    x = 19,743.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.