Home / 15,987.02-22,052.12-10,319.58

Finding the Fourth Proportional to 15,987.02, 22,052.12 and 10,319.58

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Solution

The fourth proportional to 15,987.02, 22,052.12 and 10,319.58 is: 14,234.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.02 : 22,052.12 = 10,319.58 : x
  2. Step 2: Convert to fraction form
    15,987.02/22,052.12 = 10,319.58/x
  3. Step 3: Cross multiply
    15,987.02x = 22,052.12 × 10,319.58
  4. Step 4: Simplify right side
    15,987.02x = 227,568,564.91
  5. Step 5: Solve for x
    x = 227,568,564.91/15,987.02
  6. Step 6: Final answer
    x = 14,234.59

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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.