Home / 18,071.91-27,112.56-6,975.63

Finding the Fourth Proportional to 18,071.91, 27,112.56 and 6,975.63

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Solution

The fourth proportional to 18,071.91, 27,112.56 and 6,975.63 is: 10,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,071.91 : 27,112.56 = 6,975.63 : x
  2. Step 2: Convert to fraction form
    18,071.91/27,112.56 = 6,975.63/x
  3. Step 3: Cross multiply
    18,071.91x = 27,112.56 × 6,975.63
  4. Step 4: Simplify right side
    18,071.91x = 189,127,186.91
  5. Step 5: Solve for x
    x = 189,127,186.91/18,071.91
  6. Step 6: Final answer
    x = 10,465.26

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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.