Home / 16,415.36-24,630.24-8,622.40

Finding the Fourth Proportional to 16,415.36, 24,630.24 and 8,622.40

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Solution

The fourth proportional to 16,415.36, 24,630.24 and 8,622.40 is: 12,937.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,415.36 : 24,630.24 = 8,622.40 : x
  2. Step 2: Convert to fraction form
    16,415.36/24,630.24 = 8,622.40/x
  3. Step 3: Cross multiply
    16,415.36x = 24,630.24 × 8,622.40
  4. Step 4: Simplify right side
    16,415.36x = 212,371,781.38
  5. Step 5: Solve for x
    x = 212,371,781.38/16,415.36
  6. Step 6: Final answer
    x = 12,937.38

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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.