Home / 23,127.84-31,917.96-13,052.70

Finding the Fourth Proportional to 23,127.84, 31,917.96 and 13,052.70

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Solution

The fourth proportional to 23,127.84, 31,917.96 and 13,052.70 is: 18,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,127.84 : 31,917.96 = 13,052.70 : x
  2. Step 2: Convert to fraction form
    23,127.84/31,917.96 = 13,052.70/x
  3. Step 3: Cross multiply
    23,127.84x = 31,917.96 × 13,052.70
  4. Step 4: Simplify right side
    23,127.84x = 416,615,556.49
  5. Step 5: Solve for x
    x = 416,615,556.49/23,127.84
  6. Step 6: Final answer
    x = 18,013.60

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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.