Home / 38,378.39-57,569.64-12,085.18

Finding the Fourth Proportional to 38,378.39, 57,569.64 and 12,085.18

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Solution

The fourth proportional to 38,378.39, 57,569.64 and 12,085.18 is: 18,128.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,378.39 : 57,569.64 = 12,085.18 : x
  2. Step 2: Convert to fraction form
    38,378.39/57,569.64 = 12,085.18/x
  3. Step 3: Cross multiply
    38,378.39x = 57,569.64 × 12,085.18
  4. Step 4: Simplify right side
    38,378.39x = 695,739,596.52
  5. Step 5: Solve for x
    x = 695,739,596.52/38,378.39
  6. Step 6: Final answer
    x = 18,128.42

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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.