Home / 22,147.71-30,564.08-12,076.07

Finding the Fourth Proportional to 22,147.71, 30,564.08 and 12,076.07

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Solution

The fourth proportional to 22,147.71, 30,564.08 and 12,076.07 is: 16,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147.71 : 30,564.08 = 12,076.07 : x
  2. Step 2: Convert to fraction form
    22,147.71/30,564.08 = 12,076.07/x
  3. Step 3: Cross multiply
    22,147.71x = 30,564.08 × 12,076.07
  4. Step 4: Simplify right side
    22,147.71x = 369,093,756.36
  5. Step 5: Solve for x
    x = 369,093,756.36/22,147.71
  6. Step 6: Final answer
    x = 16,665.10

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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.