Home / 27,109.83-40,664.79-17,808.60

Finding the Fourth Proportional to 27,109.83, 40,664.79 and 17,808.60

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Solution

The fourth proportional to 27,109.83, 40,664.79 and 17,808.60 is: 26,712.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,109.83 : 40,664.79 = 17,808.60 : x
  2. Step 2: Convert to fraction form
    27,109.83/40,664.79 = 17,808.60/x
  3. Step 3: Cross multiply
    27,109.83x = 40,664.79 × 17,808.60
  4. Step 4: Simplify right side
    27,109.83x = 724,182,979.19
  5. Step 5: Solve for x
    x = 724,182,979.19/27,109.83
  6. Step 6: Final answer
    x = 26,712.93

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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.