Home / 19,551.86-29,325.75-5,511.53

Finding the Fourth Proportional to 19,551.86, 29,325.75 and 5,511.53

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Solution

The fourth proportional to 19,551.86, 29,325.75 and 5,511.53 is: 8,266.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,551.86 : 29,325.75 = 5,511.53 : x
  2. Step 2: Convert to fraction form
    19,551.86/29,325.75 = 5,511.53/x
  3. Step 3: Cross multiply
    19,551.86x = 29,325.75 × 5,511.53
  4. Step 4: Simplify right side
    19,551.86x = 161,629,750.90
  5. Step 5: Solve for x
    x = 161,629,750.90/19,551.86
  6. Step 6: Final answer
    x = 8,266.72

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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.