Home / 22,237.78-30,688.02-12,166.03

Finding the Fourth Proportional to 22,237.78, 30,688.02 and 12,166.03

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Solution

The fourth proportional to 22,237.78, 30,688.02 and 12,166.03 is: 16,789.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,237.78 : 30,688.02 = 12,166.03 : x
  2. Step 2: Convert to fraction form
    22,237.78/30,688.02 = 12,166.03/x
  3. Step 3: Cross multiply
    22,237.78x = 30,688.02 × 12,166.03
  4. Step 4: Simplify right side
    22,237.78x = 373,351,371.96
  5. Step 5: Solve for x
    x = 373,351,371.96/22,237.78
  6. Step 6: Final answer
    x = 16,789.06

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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.