Home / 20,017.96-27,677.28-16,659.52

Finding the Fourth Proportional to 20,017.96, 27,677.28 and 16,659.52

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Solution

The fourth proportional to 20,017.96, 27,677.28 and 16,659.52 is: 23,033.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.96 : 27,677.28 = 16,659.52 : x
  2. Step 2: Convert to fraction form
    20,017.96/27,677.28 = 16,659.52/x
  3. Step 3: Cross multiply
    20,017.96x = 27,677.28 × 16,659.52
  4. Step 4: Simplify right side
    20,017.96x = 461,090,199.71
  5. Step 5: Solve for x
    x = 461,090,199.71/20,017.96
  6. Step 6: Final answer
    x = 23,033.83

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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.