Home / 19,552.55-29,328.84-4,761.45

Finding the Fourth Proportional to 19,552.55, 29,328.84 and 4,761.45

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Solution

The fourth proportional to 19,552.55, 29,328.84 and 4,761.45 is: 7,142.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,552.55 : 29,328.84 = 4,761.45 : x
  2. Step 2: Convert to fraction form
    19,552.55/29,328.84 = 4,761.45/x
  3. Step 3: Cross multiply
    19,552.55x = 29,328.84 × 4,761.45
  4. Step 4: Simplify right side
    19,552.55x = 139,647,805.22
  5. Step 5: Solve for x
    x = 139,647,805.22/19,552.55
  6. Step 6: Final answer
    x = 7,142.18

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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.