Home / 22,019.40-33,050.70-10,938.60

Finding the Fourth Proportional to 22,019.40, 33,050.70 and 10,938.60

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Solution

The fourth proportional to 22,019.40, 33,050.70 and 10,938.60 is: 16,418.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,019.40 : 33,050.70 = 10,938.60 : x
  2. Step 2: Convert to fraction form
    22,019.40/33,050.70 = 10,938.60/x
  3. Step 3: Cross multiply
    22,019.40x = 33,050.70 × 10,938.60
  4. Step 4: Simplify right side
    22,019.40x = 361,528,387.02
  5. Step 5: Solve for x
    x = 361,528,387.02/22,019.40
  6. Step 6: Final answer
    x = 16,418.63

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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.