Home / 13,062.24-18,025.12-7,473.28

Finding the Fourth Proportional to 13,062.24, 18,025.12 and 7,473.28

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Solution

The fourth proportional to 13,062.24, 18,025.12 and 7,473.28 is: 10,312.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.24 : 18,025.12 = 7,473.28 : x
  2. Step 2: Convert to fraction form
    13,062.24/18,025.12 = 7,473.28/x
  3. Step 3: Cross multiply
    13,062.24x = 18,025.12 × 7,473.28
  4. Step 4: Simplify right side
    13,062.24x = 134,706,768.79
  5. Step 5: Solve for x
    x = 134,706,768.79/13,062.24
  6. Step 6: Final answer
    x = 10,312.69

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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.