Home / 13,074.32-18,042.12-7,484.24

Finding the Fourth Proportional to 13,074.32, 18,042.12 and 7,484.24

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Solution

The fourth proportional to 13,074.32, 18,042.12 and 7,484.24 is: 10,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.32 : 18,042.12 = 7,484.24 : x
  2. Step 2: Convert to fraction form
    13,074.32/18,042.12 = 7,484.24/x
  3. Step 3: Cross multiply
    13,074.32x = 18,042.12 × 7,484.24
  4. Step 4: Simplify right side
    13,074.32x = 135,031,556.19
  5. Step 5: Solve for x
    x = 135,031,556.19/13,074.32
  6. Step 6: Final answer
    x = 10,328.00

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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.