Home / 13,298.73-18,352.13-7,330.37

Finding the Fourth Proportional to 13,298.73, 18,352.13 and 7,330.37

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Solution

The fourth proportional to 13,298.73, 18,352.13 and 7,330.37 is: 10,115.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.73 : 18,352.13 = 7,330.37 : x
  2. Step 2: Convert to fraction form
    13,298.73/18,352.13 = 7,330.37/x
  3. Step 3: Cross multiply
    13,298.73x = 18,352.13 × 7,330.37
  4. Step 4: Simplify right side
    13,298.73x = 134,527,774.78
  5. Step 5: Solve for x
    x = 134,527,774.78/13,298.73
  6. Step 6: Final answer
    x = 10,115.84

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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.