Home / 16,995.68-25,388.96-12,275.36

Finding the Fourth Proportional to 16,995.68, 25,388.96 and 12,275.36

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Solution

The fourth proportional to 16,995.68, 25,388.96 and 12,275.36 is: 18,337.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,995.68 : 25,388.96 = 12,275.36 : x
  2. Step 2: Convert to fraction form
    16,995.68/25,388.96 = 12,275.36/x
  3. Step 3: Cross multiply
    16,995.68x = 25,388.96 × 12,275.36
  4. Step 4: Simplify right side
    16,995.68x = 311,658,624.03
  5. Step 5: Solve for x
    x = 311,658,624.03/16,995.68
  6. Step 6: Final answer
    x = 18,337.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.