Home / 20,722.64-31,084.18-16,588.93

Finding the Fourth Proportional to 20,722.64, 31,084.18 and 16,588.93

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Solution

The fourth proportional to 20,722.64, 31,084.18 and 16,588.93 is: 24,883.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,722.64 : 31,084.18 = 16,588.93 : x
  2. Step 2: Convert to fraction form
    20,722.64/31,084.18 = 16,588.93/x
  3. Step 3: Cross multiply
    20,722.64x = 31,084.18 × 16,588.93
  4. Step 4: Simplify right side
    20,722.64x = 515,653,047.76
  5. Step 5: Solve for x
    x = 515,653,047.76/20,722.64
  6. Step 6: Final answer
    x = 24,883.56

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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.