Home / 13,337.25-18,405.33-7,368.92

Finding the Fourth Proportional to 13,337.25, 18,405.33 and 7,368.92

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Solution

The fourth proportional to 13,337.25, 18,405.33 and 7,368.92 is: 10,169.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.25 : 18,405.33 = 7,368.92 : x
  2. Step 2: Convert to fraction form
    13,337.25/18,405.33 = 7,368.92/x
  3. Step 3: Cross multiply
    13,337.25x = 18,405.33 × 7,368.92
  4. Step 4: Simplify right side
    13,337.25x = 135,627,404.34
  5. Step 5: Solve for x
    x = 135,627,404.34/13,337.25
  6. Step 6: Final answer
    x = 10,169.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.