Home / 18,498.12-25,527.86-10,115.24

Finding the Fourth Proportional to 18,498.12, 25,527.86 and 10,115.24

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Solution

The fourth proportional to 18,498.12, 25,527.86 and 10,115.24 is: 13,959.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,498.12 : 25,527.86 = 10,115.24 : x
  2. Step 2: Convert to fraction form
    18,498.12/25,527.86 = 10,115.24/x
  3. Step 3: Cross multiply
    18,498.12x = 25,527.86 × 10,115.24
  4. Step 4: Simplify right side
    18,498.12x = 258,220,430.59
  5. Step 5: Solve for x
    x = 258,220,430.59/18,498.12
  6. Step 6: Final answer
    x = 13,959.28

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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.