Home / 20,154.34-27,760.80-16,963.72

Finding the Fourth Proportional to 20,154.34, 27,760.80 and 16,963.72

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Solution

The fourth proportional to 20,154.34, 27,760.80 and 16,963.72 is: 23,366.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154.34 : 27,760.80 = 16,963.72 : x
  2. Step 2: Convert to fraction form
    20,154.34/27,760.80 = 16,963.72/x
  3. Step 3: Cross multiply
    20,154.34x = 27,760.80 × 16,963.72
  4. Step 4: Simplify right side
    20,154.34x = 470,926,438.18
  5. Step 5: Solve for x
    x = 470,926,438.18/20,154.34
  6. Step 6: Final answer
    x = 23,366.01

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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.