Home / 38,585.74-57,889.57-12,292.51

Finding the Fourth Proportional to 38,585.74, 57,889.57 and 12,292.51

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Solution

The fourth proportional to 38,585.74, 57,889.57 and 12,292.51 is: 18,442.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,585.74 : 57,889.57 = 12,292.51 : x
  2. Step 2: Convert to fraction form
    38,585.74/57,889.57 = 12,292.51/x
  3. Step 3: Cross multiply
    38,585.74x = 57,889.57 × 12,292.51
  4. Step 4: Simplify right side
    38,585.74x = 711,608,118.12
  5. Step 5: Solve for x
    x = 711,608,118.12/38,585.74
  6. Step 6: Final answer
    x = 18,442.26

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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.