Home / 14,458.05-19,952.10-8,170.44

Finding the Fourth Proportional to 14,458.05, 19,952.10 and 8,170.44

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Solution

The fourth proportional to 14,458.05, 19,952.10 and 8,170.44 is: 11,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,458.05 : 19,952.10 = 8,170.44 : x
  2. Step 2: Convert to fraction form
    14,458.05/19,952.10 = 8,170.44/x
  3. Step 3: Cross multiply
    14,458.05x = 19,952.10 × 8,170.44
  4. Step 4: Simplify right side
    14,458.05x = 163,017,435.92
  5. Step 5: Solve for x
    x = 163,017,435.92/14,458.05
  6. Step 6: Final answer
    x = 11,275.20

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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.