Home / 25,120.18-37,686.57-17,739.07

Finding the Fourth Proportional to 25,120.18, 37,686.57 and 17,739.07

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Solution

The fourth proportional to 25,120.18, 37,686.57 and 17,739.07 is: 26,613.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120.18 : 37,686.57 = 17,739.07 : x
  2. Step 2: Convert to fraction form
    25,120.18/37,686.57 = 17,739.07/x
  3. Step 3: Cross multiply
    25,120.18x = 37,686.57 × 17,739.07
  4. Step 4: Simplify right side
    25,120.18x = 668,524,703.29
  5. Step 5: Solve for x
    x = 668,524,703.29/25,120.18
  6. Step 6: Final answer
    x = 26,613.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.