Home / 18,857.48-26,023.74-10,900.04

Finding the Fourth Proportional to 18,857.48, 26,023.74 and 10,900.04

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Solution

The fourth proportional to 18,857.48, 26,023.74 and 10,900.04 is: 15,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857.48 : 26,023.74 = 10,900.04 : x
  2. Step 2: Convert to fraction form
    18,857.48/26,023.74 = 10,900.04/x
  3. Step 3: Cross multiply
    18,857.48x = 26,023.74 × 10,900.04
  4. Step 4: Simplify right side
    18,857.48x = 283,659,806.95
  5. Step 5: Solve for x
    x = 283,659,806.95/18,857.48
  6. Step 6: Final answer
    x = 15,042.30

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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.