Home / 16,158.88-22,389.24-15,808.96

Finding the Fourth Proportional to 16,158.88, 22,389.24 and 15,808.96

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Solution

The fourth proportional to 16,158.88, 22,389.24 and 15,808.96 is: 21,904.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,158.88 : 22,389.24 = 15,808.96 : x
  2. Step 2: Convert to fraction form
    16,158.88/22,389.24 = 15,808.96/x
  3. Step 3: Cross multiply
    16,158.88x = 22,389.24 × 15,808.96
  4. Step 4: Simplify right side
    16,158.88x = 353,950,599.59
  5. Step 5: Solve for x
    x = 353,950,599.59/16,158.88
  6. Step 6: Final answer
    x = 21,904.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.