Home / 21,584.34-32,225.11-18,263.75

Finding the Fourth Proportional to 21,584.34, 32,225.11 and 18,263.75

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Solution

The fourth proportional to 21,584.34, 32,225.11 and 18,263.75 is: 27,267.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584.34 : 32,225.11 = 18,263.75 : x
  2. Step 2: Convert to fraction form
    21,584.34/32,225.11 = 18,263.75/x
  3. Step 3: Cross multiply
    21,584.34x = 32,225.11 × 18,263.75
  4. Step 4: Simplify right side
    21,584.34x = 588,551,145.98
  5. Step 5: Solve for x
    x = 588,551,145.98/21,584.34
  6. Step 6: Final answer
    x = 27,267.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.