Home / 18,857.12-26,023.96-10,901.28

Finding the Fourth Proportional to 18,857.12, 26,023.96 and 10,901.28

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Solution

The fourth proportional to 18,857.12, 26,023.96 and 10,901.28 is: 15,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857.12 : 26,023.96 = 10,901.28 : x
  2. Step 2: Convert to fraction form
    18,857.12/26,023.96 = 10,901.28/x
  3. Step 3: Cross multiply
    18,857.12x = 26,023.96 × 10,901.28
  4. Step 4: Simplify right side
    18,857.12x = 283,694,474.67
  5. Step 5: Solve for x
    x = 283,694,474.67/18,857.12
  6. Step 6: Final answer
    x = 15,044.42

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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.