Home / 18,254.16-25,190.76-11,542.68

Finding the Fourth Proportional to 18,254.16, 25,190.76 and 11,542.68

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Solution

The fourth proportional to 18,254.16, 25,190.76 and 11,542.68 is: 15,928.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.16 : 25,190.76 = 11,542.68 : x
  2. Step 2: Convert to fraction form
    18,254.16/25,190.76 = 11,542.68/x
  3. Step 3: Cross multiply
    18,254.16x = 25,190.76 × 11,542.68
  4. Step 4: Simplify right side
    18,254.16x = 290,768,881.64
  5. Step 5: Solve for x
    x = 290,768,881.64/18,254.16
  6. Step 6: Final answer
    x = 15,928.91

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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.