Home / 13,332.36-18,398.54-7,364.42

Finding the Fourth Proportional to 13,332.36, 18,398.54 and 7,364.42

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Solution

The fourth proportional to 13,332.36, 18,398.54 and 7,364.42 is: 10,162.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.36 : 18,398.54 = 7,364.42 : x
  2. Step 2: Convert to fraction form
    13,332.36/18,398.54 = 7,364.42/x
  3. Step 3: Cross multiply
    13,332.36x = 18,398.54 × 7,364.42
  4. Step 4: Simplify right side
    13,332.36x = 135,494,575.95
  5. Step 5: Solve for x
    x = 135,494,575.95/13,332.36
  6. Step 6: Final answer
    x = 10,162.84

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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.