Home / 15,011.04-20,714.76-8,297.04

Finding the Fourth Proportional to 15,011.04, 20,714.76 and 8,297.04

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Solution

The fourth proportional to 15,011.04, 20,714.76 and 8,297.04 is: 11,449.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,011.04 : 20,714.76 = 8,297.04 : x
  2. Step 2: Convert to fraction form
    15,011.04/20,714.76 = 8,297.04/x
  3. Step 3: Cross multiply
    15,011.04x = 20,714.76 × 8,297.04
  4. Step 4: Simplify right side
    15,011.04x = 171,871,192.31
  5. Step 5: Solve for x
    x = 171,871,192.31/15,011.04
  6. Step 6: Final answer
    x = 11,449.65

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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.