Home / 21,453.91-32,192.95-16,760.76

Finding the Fourth Proportional to 21,453.91, 32,192.95 and 16,760.76

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Solution

The fourth proportional to 21,453.91, 32,192.95 and 16,760.76 is: 25,150.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,453.91 : 32,192.95 = 16,760.76 : x
  2. Step 2: Convert to fraction form
    21,453.91/32,192.95 = 16,760.76/x
  3. Step 3: Cross multiply
    21,453.91x = 32,192.95 × 16,760.76
  4. Step 4: Simplify right side
    21,453.91x = 539,578,308.64
  5. Step 5: Solve for x
    x = 539,578,308.64/21,453.91
  6. Step 6: Final answer
    x = 25,150.58

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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.