Home / 16,931.16-25,396.74-8,166.96

Finding the Fourth Proportional to 16,931.16, 25,396.74 and 8,166.96

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Solution

The fourth proportional to 16,931.16, 25,396.74 and 8,166.96 is: 12,250.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.16 : 25,396.74 = 8,166.96 : x
  2. Step 2: Convert to fraction form
    16,931.16/25,396.74 = 8,166.96/x
  3. Step 3: Cross multiply
    16,931.16x = 25,396.74 × 8,166.96
  4. Step 4: Simplify right side
    16,931.16x = 207,414,159.71
  5. Step 5: Solve for x
    x = 207,414,159.71/16,931.16
  6. Step 6: Final answer
    x = 12,250.44

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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.