Home / 21,921.68-32,953.80-17,586.56

Finding the Fourth Proportional to 21,921.68, 32,953.80 and 17,586.56

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Solution

The fourth proportional to 21,921.68, 32,953.80 and 17,586.56 is: 26,437.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,921.68 : 32,953.80 = 17,586.56 : x
  2. Step 2: Convert to fraction form
    21,921.68/32,953.80 = 17,586.56/x
  3. Step 3: Cross multiply
    21,921.68x = 32,953.80 × 17,586.56
  4. Step 4: Simplify right side
    21,921.68x = 579,543,980.93
  5. Step 5: Solve for x
    x = 579,543,980.93/21,921.68
  6. Step 6: Final answer
    x = 26,437.02

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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.