Home / 19,968.18-27,550.04-11,583.06

Finding the Fourth Proportional to 19,968.18, 27,550.04 and 11,583.06

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Solution

The fourth proportional to 19,968.18, 27,550.04 and 11,583.06 is: 15,981.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.18 : 27,550.04 = 11,583.06 : x
  2. Step 2: Convert to fraction form
    19,968.18/27,550.04 = 11,583.06/x
  3. Step 3: Cross multiply
    19,968.18x = 27,550.04 × 11,583.06
  4. Step 4: Simplify right side
    19,968.18x = 319,113,766.32
  5. Step 5: Solve for x
    x = 319,113,766.32/19,968.18
  6. Step 6: Final answer
    x = 15,981.11

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.