Home / 13,332.20-18,397.60-7,363.58

Finding the Fourth Proportional to 13,332.20, 18,397.60 and 7,363.58

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Solution

The fourth proportional to 13,332.20, 18,397.60 and 7,363.58 is: 10,161.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.20 : 18,397.60 = 7,363.58 : x
  2. Step 2: Convert to fraction form
    13,332.20/18,397.60 = 7,363.58/x
  3. Step 3: Cross multiply
    13,332.20x = 18,397.60 × 7,363.58
  4. Step 4: Simplify right side
    13,332.20x = 135,472,089.01
  5. Step 5: Solve for x
    x = 135,472,089.01/13,332.20
  6. Step 6: Final answer
    x = 10,161.27

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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.