Home / 22,580.47-31,161.06-12,371.55

Finding the Fourth Proportional to 22,580.47, 31,161.06 and 12,371.55

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Solution

The fourth proportional to 22,580.47, 31,161.06 and 12,371.55 is: 17,072.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,580.47 : 31,161.06 = 12,371.55 : x
  2. Step 2: Convert to fraction form
    22,580.47/31,161.06 = 12,371.55/x
  3. Step 3: Cross multiply
    22,580.47x = 31,161.06 × 12,371.55
  4. Step 4: Simplify right side
    22,580.47x = 385,510,549.99
  5. Step 5: Solve for x
    x = 385,510,549.99/22,580.47
  6. Step 6: Final answer
    x = 17,072.74

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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.