Home / 21,798.38-32,711.93-11,944.58

Finding the Fourth Proportional to 21,798.38, 32,711.93 and 11,944.58

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Solution

The fourth proportional to 21,798.38, 32,711.93 and 11,944.58 is: 17,924.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,798.38 : 32,711.93 = 11,944.58 : x
  2. Step 2: Convert to fraction form
    21,798.38/32,711.93 = 11,944.58/x
  3. Step 3: Cross multiply
    21,798.38x = 32,711.93 × 11,944.58
  4. Step 4: Simplify right side
    21,798.38x = 390,730,041.56
  5. Step 5: Solve for x
    x = 390,730,041.56/21,798.38
  6. Step 6: Final answer
    x = 17,924.73

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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.