Home / 27,187.48-37,531.91-18,231.71

Finding the Fourth Proportional to 27,187.48, 37,531.91 and 18,231.71

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Solution

The fourth proportional to 27,187.48, 37,531.91 and 18,231.71 is: 25,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,187.48 : 37,531.91 = 18,231.71 : x
  2. Step 2: Convert to fraction form
    27,187.48/37,531.91 = 18,231.71/x
  3. Step 3: Cross multiply
    27,187.48x = 37,531.91 × 18,231.71
  4. Step 4: Simplify right side
    27,187.48x = 684,270,807.71
  5. Step 5: Solve for x
    x = 684,270,807.71/27,187.48
  6. Step 6: Final answer
    x = 25,168.60

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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.