Home / 21,366.59-32,050.28-7,342.72

Finding the Fourth Proportional to 21,366.59, 32,050.28 and 7,342.72

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Solution

The fourth proportional to 21,366.59, 32,050.28 and 7,342.72 is: 11,014.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,366.59 : 32,050.28 = 7,342.72 : x
  2. Step 2: Convert to fraction form
    21,366.59/32,050.28 = 7,342.72/x
  3. Step 3: Cross multiply
    21,366.59x = 32,050.28 × 7,342.72
  4. Step 4: Simplify right side
    21,366.59x = 235,336,170.19
  5. Step 5: Solve for x
    x = 235,336,170.19/21,366.59
  6. Step 6: Final answer
    x = 11,014.22

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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.