Home / 18,407.12-25,402.44-10,023.92

Finding the Fourth Proportional to 18,407.12, 25,402.44 and 10,023.92

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Solution

The fourth proportional to 18,407.12, 25,402.44 and 10,023.92 is: 13,833.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,407.12 : 25,402.44 = 10,023.92 : x
  2. Step 2: Convert to fraction form
    18,407.12/25,402.44 = 10,023.92/x
  3. Step 3: Cross multiply
    18,407.12x = 25,402.44 × 10,023.92
  4. Step 4: Simplify right side
    18,407.12x = 254,632,026.36
  5. Step 5: Solve for x
    x = 254,632,026.36/18,407.12
  6. Step 6: Final answer
    x = 13,833.34

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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.