Home / 18,088.59-27,102.63-11,840.79

Finding the Fourth Proportional to 18,088.59, 27,102.63 and 11,840.79

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Solution

The fourth proportional to 18,088.59, 27,102.63 and 11,840.79 is: 17,741.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088.59 : 27,102.63 = 11,840.79 : x
  2. Step 2: Convert to fraction form
    18,088.59/27,102.63 = 11,840.79/x
  3. Step 3: Cross multiply
    18,088.59x = 27,102.63 × 11,840.79
  4. Step 4: Simplify right side
    18,088.59x = 320,916,550.28
  5. Step 5: Solve for x
    x = 320,916,550.28/18,088.59
  6. Step 6: Final answer
    x = 17,741.38

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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.