Home / 29,111.70-43,667.55-9,390.90

Finding the Fourth Proportional to 29,111.70, 43,667.55 and 9,390.90

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Solution

The fourth proportional to 29,111.70, 43,667.55 and 9,390.90 is: 14,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,111.70 : 43,667.55 = 9,390.90 : x
  2. Step 2: Convert to fraction form
    29,111.70/43,667.55 = 9,390.90/x
  3. Step 3: Cross multiply
    29,111.70x = 43,667.55 × 9,390.90
  4. Step 4: Simplify right side
    29,111.70x = 410,077,595.30
  5. Step 5: Solve for x
    x = 410,077,595.30/29,111.70
  6. Step 6: Final answer
    x = 14,086.35

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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.