Home / 13,271.24-18,315.42-7,304.04

Finding the Fourth Proportional to 13,271.24, 18,315.42 and 7,304.04

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Solution

The fourth proportional to 13,271.24, 18,315.42 and 7,304.04 is: 10,080.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.24 : 18,315.42 = 7,304.04 : x
  2. Step 2: Convert to fraction form
    13,271.24/18,315.42 = 7,304.04/x
  3. Step 3: Cross multiply
    13,271.24x = 18,315.42 × 7,304.04
  4. Step 4: Simplify right side
    13,271.24x = 133,776,560.30
  5. Step 5: Solve for x
    x = 133,776,560.30/13,271.24
  6. Step 6: Final answer
    x = 10,080.19

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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.