Home / 38,128.59-57,181.95-14,749.56

Finding the Fourth Proportional to 38,128.59, 57,181.95 and 14,749.56

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Solution

The fourth proportional to 38,128.59, 57,181.95 and 14,749.56 is: 22,120.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,128.59 : 57,181.95 = 14,749.56 : x
  2. Step 2: Convert to fraction form
    38,128.59/57,181.95 = 14,749.56/x
  3. Step 3: Cross multiply
    38,128.59x = 57,181.95 × 14,749.56
  4. Step 4: Simplify right side
    38,128.59x = 843,408,602.44
  5. Step 5: Solve for x
    x = 843,408,602.44/38,128.59
  6. Step 6: Final answer
    x = 22,120.11

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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.