Home / 27,274.59-40,912.38-8,554.20

Finding the Fourth Proportional to 27,274.59, 40,912.38 and 8,554.20

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Solution

The fourth proportional to 27,274.59, 40,912.38 and 8,554.20 is: 12,831.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,274.59 : 40,912.38 = 8,554.20 : x
  2. Step 2: Convert to fraction form
    27,274.59/40,912.38 = 8,554.20/x
  3. Step 3: Cross multiply
    27,274.59x = 40,912.38 × 8,554.20
  4. Step 4: Simplify right side
    27,274.59x = 349,972,681.00
  5. Step 5: Solve for x
    x = 349,972,681.00/27,274.59
  6. Step 6: Final answer
    x = 12,831.46

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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.