Home / 23,493.21-32,422.11-15,521.46

Finding the Fourth Proportional to 23,493.21, 32,422.11 and 15,521.46

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Solution

The fourth proportional to 23,493.21, 32,422.11 and 15,521.46 is: 21,420.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,493.21 : 32,422.11 = 15,521.46 : x
  2. Step 2: Convert to fraction form
    23,493.21/32,422.11 = 15,521.46/x
  3. Step 3: Cross multiply
    23,493.21x = 32,422.11 × 15,521.46
  4. Step 4: Simplify right side
    23,493.21x = 503,238,483.48
  5. Step 5: Solve for x
    x = 503,238,483.48/23,493.21
  6. Step 6: Final answer
    x = 21,420.59

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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.