Home / 13,333.90-19,981.67-9,796.13

Finding the Fourth Proportional to 13,333.90, 19,981.67 and 9,796.13

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Solution

The fourth proportional to 13,333.90, 19,981.67 and 9,796.13 is: 14,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.90 : 19,981.67 = 9,796.13 : x
  2. Step 2: Convert to fraction form
    13,333.90/19,981.67 = 9,796.13/x
  3. Step 3: Cross multiply
    13,333.90x = 19,981.67 × 9,796.13
  4. Step 4: Simplify right side
    13,333.90x = 195,743,036.94
  5. Step 5: Solve for x
    x = 195,743,036.94/13,333.90
  6. Step 6: Final answer
    x = 14,680.10

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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.