Home / 13,261.99-18,301.92-7,294.04

Finding the Fourth Proportional to 13,261.99, 18,301.92 and 7,294.04

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Solution

The fourth proportional to 13,261.99, 18,301.92 and 7,294.04 is: 10,065.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.99 : 18,301.92 = 7,294.04 : x
  2. Step 2: Convert to fraction form
    13,261.99/18,301.92 = 7,294.04/x
  3. Step 3: Cross multiply
    13,261.99x = 18,301.92 × 7,294.04
  4. Step 4: Simplify right side
    13,261.99x = 133,494,960.74
  5. Step 5: Solve for x
    x = 133,494,960.74/13,261.99
  6. Step 6: Final answer
    x = 10,065.99

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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.