Home / 22,148.09-30,564.14-12,076.50

Finding the Fourth Proportional to 22,148.09, 30,564.14 and 12,076.50

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Solution

The fourth proportional to 22,148.09, 30,564.14 and 12,076.50 is: 16,665.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,148.09 : 30,564.14 = 12,076.50 : x
  2. Step 2: Convert to fraction form
    22,148.09/30,564.14 = 12,076.50/x
  3. Step 3: Cross multiply
    22,148.09x = 30,564.14 × 12,076.50
  4. Step 4: Simplify right side
    22,148.09x = 369,107,776.33
  5. Step 5: Solve for x
    x = 369,107,776.33/22,148.09
  6. Step 6: Final answer
    x = 16,665.45

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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.