Home / 16,965.47-25,444.11-7,112.13

Finding the Fourth Proportional to 16,965.47, 25,444.11 and 7,112.13

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Solution

The fourth proportional to 16,965.47, 25,444.11 and 7,112.13 is: 10,666.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,965.47 : 25,444.11 = 7,112.13 : x
  2. Step 2: Convert to fraction form
    16,965.47/25,444.11 = 7,112.13/x
  3. Step 3: Cross multiply
    16,965.47x = 25,444.11 × 7,112.13
  4. Step 4: Simplify right side
    16,965.47x = 180,961,818.05
  5. Step 5: Solve for x
    x = 180,961,818.05/16,965.47
  6. Step 6: Final answer
    x = 10,666.48

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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.