Home / 16,418.88-24,630.08-5,325.12

Finding the Fourth Proportional to 16,418.88, 24,630.08 and 5,325.12

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Solution

The fourth proportional to 16,418.88, 24,630.08 and 5,325.12 is: 7,988.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,418.88 : 24,630.08 = 5,325.12 : x
  2. Step 2: Convert to fraction form
    16,418.88/24,630.08 = 5,325.12/x
  3. Step 3: Cross multiply
    16,418.88x = 24,630.08 × 5,325.12
  4. Step 4: Simplify right side
    16,418.88x = 131,158,131.61
  5. Step 5: Solve for x
    x = 131,158,131.61/16,418.88
  6. Step 6: Final answer
    x = 7,988.25

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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.