Home / 21,824.12-32,735.36-13,000.52

Finding the Fourth Proportional to 21,824.12, 32,735.36 and 13,000.52

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Solution

The fourth proportional to 21,824.12, 32,735.36 and 13,000.52 is: 19,500.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,824.12 : 32,735.36 = 13,000.52 : x
  2. Step 2: Convert to fraction form
    21,824.12/32,735.36 = 13,000.52/x
  3. Step 3: Cross multiply
    21,824.12x = 32,735.36 × 13,000.52
  4. Step 4: Simplify right side
    21,824.12x = 425,576,473.71
  5. Step 5: Solve for x
    x = 425,576,473.71/21,824.12
  6. Step 6: Final answer
    x = 19,500.29

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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.