Home / 16,995.15-25,475.20-12,303.53

Finding the Fourth Proportional to 16,995.15, 25,475.20 and 12,303.53

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Solution

The fourth proportional to 16,995.15, 25,475.20 and 12,303.53 is: 18,442.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,995.15 : 25,475.20 = 12,303.53 : x
  2. Step 2: Convert to fraction form
    16,995.15/25,475.20 = 12,303.53/x
  3. Step 3: Cross multiply
    16,995.15x = 25,475.20 × 12,303.53
  4. Step 4: Simplify right side
    16,995.15x = 313,434,887.46
  5. Step 5: Solve for x
    x = 313,434,887.46/16,995.15
  6. Step 6: Final answer
    x = 18,442.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.