Home / 13,332.23-18,398.36-7,364.31

Finding the Fourth Proportional to 13,332.23, 18,398.36 and 7,364.31

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Solution

The fourth proportional to 13,332.23, 18,398.36 and 7,364.31 is: 10,162.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.23 : 18,398.36 = 7,364.31 : x
  2. Step 2: Convert to fraction form
    13,332.23/18,398.36 = 7,364.31/x
  3. Step 3: Cross multiply
    13,332.23x = 18,398.36 × 7,364.31
  4. Step 4: Simplify right side
    13,332.23x = 135,491,189.71
  5. Step 5: Solve for x
    x = 135,491,189.71/13,332.23
  6. Step 6: Final answer
    x = 10,162.68

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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.