Home / 38,590.11-57,886.38-13,626.72

Finding the Fourth Proportional to 38,590.11, 57,886.38 and 13,626.72

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Solution

The fourth proportional to 38,590.11, 57,886.38 and 13,626.72 is: 20,440.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,590.11 : 57,886.38 = 13,626.72 : x
  2. Step 2: Convert to fraction form
    38,590.11/57,886.38 = 13,626.72/x
  3. Step 3: Cross multiply
    38,590.11x = 57,886.38 × 13,626.72
  4. Step 4: Simplify right side
    38,590.11x = 788,801,492.07
  5. Step 5: Solve for x
    x = 788,801,492.07/38,590.11
  6. Step 6: Final answer
    x = 20,440.51

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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.