Home / 16,962.72-23,408-10,247.18

Finding the Fourth Proportional to 16,962.72, 23,408 and 10,247.18

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Solution

The fourth proportional to 16,962.72, 23,408 and 10,247.18 is: 14,140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,962.72 : 23,408 = 10,247.18 : x
  2. Step 2: Convert to fraction form
    16,962.72/23,408 = 10,247.18/x
  3. Step 3: Cross multiply
    16,962.72x = 23,408 × 10,247.18
  4. Step 4: Simplify right side
    16,962.72x = 239,865,989.44
  5. Step 5: Solve for x
    x = 239,865,989.44/16,962.72
  6. Step 6: Final answer
    x = 14,140.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.