Home / 13,432.25-20,148.39-4,667.18

Finding the Fourth Proportional to 13,432.25, 20,148.39 and 4,667.18

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Solution

The fourth proportional to 13,432.25, 20,148.39 and 4,667.18 is: 7,000.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.25 : 20,148.39 = 4,667.18 : x
  2. Step 2: Convert to fraction form
    13,432.25/20,148.39 = 4,667.18/x
  3. Step 3: Cross multiply
    13,432.25x = 20,148.39 × 4,667.18
  4. Step 4: Simplify right side
    13,432.25x = 94,036,062.10
  5. Step 5: Solve for x
    x = 94,036,062.10/13,432.25
  6. Step 6: Final answer
    x = 7,000.77

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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.