Home / 13,261.83-19,874.62-7,329.93

Finding the Fourth Proportional to 13,261.83, 19,874.62 and 7,329.93

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Solution

The fourth proportional to 13,261.83, 19,874.62 and 7,329.93 is: 10,984.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.83 : 19,874.62 = 7,329.93 : x
  2. Step 2: Convert to fraction form
    13,261.83/19,874.62 = 7,329.93/x
  3. Step 3: Cross multiply
    13,261.83x = 19,874.62 × 7,329.93
  4. Step 4: Simplify right side
    13,261.83x = 145,679,466.78
  5. Step 5: Solve for x
    x = 145,679,466.78/13,261.83
  6. Step 6: Final answer
    x = 10,984.87

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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.