Home / 15,070.44-20,797.23-8,356.14

Finding the Fourth Proportional to 15,070.44, 20,797.23 and 8,356.14

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Solution

The fourth proportional to 15,070.44, 20,797.23 and 8,356.14 is: 11,531.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,070.44 : 20,797.23 = 8,356.14 : x
  2. Step 2: Convert to fraction form
    15,070.44/20,797.23 = 8,356.14/x
  3. Step 3: Cross multiply
    15,070.44x = 20,797.23 × 8,356.14
  4. Step 4: Simplify right side
    15,070.44x = 173,784,565.49
  5. Step 5: Solve for x
    x = 173,784,565.49/15,070.44
  6. Step 6: Final answer
    x = 11,531.49

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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.