Home / 13,332.52-18,398.40-7,363.88

Finding the Fourth Proportional to 13,332.52, 18,398.40 and 7,363.88

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Solution

The fourth proportional to 13,332.52, 18,398.40 and 7,363.88 is: 10,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.52 : 18,398.40 = 7,363.88 : x
  2. Step 2: Convert to fraction form
    13,332.52/18,398.40 = 7,363.88/x
  3. Step 3: Cross multiply
    13,332.52x = 18,398.40 × 7,363.88
  4. Step 4: Simplify right side
    13,332.52x = 135,483,609.79
  5. Step 5: Solve for x
    x = 135,483,609.79/13,332.52
  6. Step 6: Final answer
    x = 10,161.89

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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.