Home / 21,597.68-32,340.47-18,497.61

Finding the Fourth Proportional to 21,597.68, 32,340.47 and 18,497.61

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Solution

The fourth proportional to 21,597.68, 32,340.47 and 18,497.61 is: 27,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,597.68 : 32,340.47 = 18,497.61 : x
  2. Step 2: Convert to fraction form
    21,597.68/32,340.47 = 18,497.61/x
  3. Step 3: Cross multiply
    21,597.68x = 32,340.47 × 18,497.61
  4. Step 4: Simplify right side
    21,597.68x = 598,221,447.52
  5. Step 5: Solve for x
    x = 598,221,447.52/21,597.68
  6. Step 6: Final answer
    x = 27,698.41

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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.