Home / 13,332.10-18,398.19-7,364.17

Finding the Fourth Proportional to 13,332.10, 18,398.19 and 7,364.17

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Solution

The fourth proportional to 13,332.10, 18,398.19 and 7,364.17 is: 10,162.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.10 : 18,398.19 = 7,364.17 : x
  2. Step 2: Convert to fraction form
    13,332.10/18,398.19 = 7,364.17/x
  3. Step 3: Cross multiply
    13,332.10x = 18,398.19 × 7,364.17
  4. Step 4: Simplify right side
    13,332.10x = 135,487,398.85
  5. Step 5: Solve for x
    x = 135,487,398.85/13,332.10
  6. Step 6: Final answer
    x = 10,162.49

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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.