Home / 27,275.13-40,912.66-8,556.81

Finding the Fourth Proportional to 27,275.13, 40,912.66 and 8,556.81

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Solution

The fourth proportional to 27,275.13, 40,912.66 and 8,556.81 is: 12,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,275.13 : 40,912.66 = 8,556.81 : x
  2. Step 2: Convert to fraction form
    27,275.13/40,912.66 = 8,556.81/x
  3. Step 3: Cross multiply
    27,275.13x = 40,912.66 × 8,556.81
  4. Step 4: Simplify right side
    27,275.13x = 350,081,715.49
  5. Step 5: Solve for x
    x = 350,081,715.49/27,275.13
  6. Step 6: Final answer
    x = 12,835.20

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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.