Home / 16,881.28-23,294.16-10,166.80

Finding the Fourth Proportional to 16,881.28, 23,294.16 and 10,166.80

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Solution

The fourth proportional to 16,881.28, 23,294.16 and 10,166.80 is: 14,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,881.28 : 23,294.16 = 10,166.80 : x
  2. Step 2: Convert to fraction form
    16,881.28/23,294.16 = 10,166.80/x
  3. Step 3: Cross multiply
    16,881.28x = 23,294.16 × 10,166.80
  4. Step 4: Simplify right side
    16,881.28x = 236,827,065.89
  5. Step 5: Solve for x
    x = 236,827,065.89/16,881.28
  6. Step 6: Final answer
    x = 14,028.98

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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.