Home / 38,137.95-57,216.88-14,445.65

Finding the Fourth Proportional to 38,137.95, 57,216.88 and 14,445.65

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Solution

The fourth proportional to 38,137.95, 57,216.88 and 14,445.65 is: 21,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,137.95 : 57,216.88 = 14,445.65 : x
  2. Step 2: Convert to fraction form
    38,137.95/57,216.88 = 14,445.65/x
  3. Step 3: Cross multiply
    38,137.95x = 57,216.88 × 14,445.65
  4. Step 4: Simplify right side
    38,137.95x = 826,535,022.57
  5. Step 5: Solve for x
    x = 826,535,022.57/38,137.95
  6. Step 6: Final answer
    x = 21,672.25

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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.