Home / 13,269.24-18,312.66-7,302.04

Finding the Fourth Proportional to 13,269.24, 18,312.66 and 7,302.04

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Solution

The fourth proportional to 13,269.24, 18,312.66 and 7,302.04 is: 10,077.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.24 : 18,312.66 = 7,302.04 : x
  2. Step 2: Convert to fraction form
    13,269.24/18,312.66 = 7,302.04/x
  3. Step 3: Cross multiply
    13,269.24x = 18,312.66 × 7,302.04
  4. Step 4: Simplify right side
    13,269.24x = 133,719,775.83
  5. Step 5: Solve for x
    x = 133,719,775.83/13,269.24
  6. Step 6: Final answer
    x = 10,077.43

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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.