Home / 23,043.16-31,789.62-15,071.48

Finding the Fourth Proportional to 23,043.16, 31,789.62 and 15,071.48

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Solution

The fourth proportional to 23,043.16, 31,789.62 and 15,071.48 is: 20,792.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,043.16 : 31,789.62 = 15,071.48 : x
  2. Step 2: Convert to fraction form
    23,043.16/31,789.62 = 15,071.48/x
  3. Step 3: Cross multiply
    23,043.16x = 31,789.62 × 15,071.48
  4. Step 4: Simplify right side
    23,043.16x = 479,116,622.04
  5. Step 5: Solve for x
    x = 479,116,622.04/23,043.16
  6. Step 6: Final answer
    x = 20,792.14

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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.