Home / 13,294.20-18,345.54-7,325.97

Finding the Fourth Proportional to 13,294.20, 18,345.54 and 7,325.97

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Solution

The fourth proportional to 13,294.20, 18,345.54 and 7,325.97 is: 10,109.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.20 : 18,345.54 = 7,325.97 : x
  2. Step 2: Convert to fraction form
    13,294.20/18,345.54 = 7,325.97/x
  3. Step 3: Cross multiply
    13,294.20x = 18,345.54 × 7,325.97
  4. Step 4: Simplify right side
    13,294.20x = 134,398,875.67
  5. Step 5: Solve for x
    x = 134,398,875.67/13,294.20
  6. Step 6: Final answer
    x = 10,109.59

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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.