Home / 16,680.87-22,967.15-14,157.72

Finding the Fourth Proportional to 16,680.87, 22,967.15 and 14,157.72

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Solution

The fourth proportional to 16,680.87, 22,967.15 and 14,157.72 is: 19,493.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680.87 : 22,967.15 = 14,157.72 : x
  2. Step 2: Convert to fraction form
    16,680.87/22,967.15 = 14,157.72/x
  3. Step 3: Cross multiply
    16,680.87x = 22,967.15 × 14,157.72
  4. Step 4: Simplify right side
    16,680.87x = 325,162,408.11
  5. Step 5: Solve for x
    x = 325,162,408.11/16,680.87
  6. Step 6: Final answer
    x = 19,493.13

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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.