Home / 15,031.24-20,746.38-8,744.44

Finding the Fourth Proportional to 15,031.24, 20,746.38 and 8,744.44

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Solution

The fourth proportional to 15,031.24, 20,746.38 and 8,744.44 is: 12,069.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,031.24 : 20,746.38 = 8,744.44 : x
  2. Step 2: Convert to fraction form
    15,031.24/20,746.38 = 8,744.44/x
  3. Step 3: Cross multiply
    15,031.24x = 20,746.38 × 8,744.44
  4. Step 4: Simplify right side
    15,031.24x = 181,415,475.13
  5. Step 5: Solve for x
    x = 181,415,475.13/15,031.24
  6. Step 6: Final answer
    x = 12,069.23

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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.