Home / 22,011.40-33,038.70-10,930.60

Finding the Fourth Proportional to 22,011.40, 33,038.70 and 10,930.60

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Solution

The fourth proportional to 22,011.40, 33,038.70 and 10,930.60 is: 16,406.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011.40 : 33,038.70 = 10,930.60 : x
  2. Step 2: Convert to fraction form
    22,011.40/33,038.70 = 10,930.60/x
  3. Step 3: Cross multiply
    22,011.40x = 33,038.70 × 10,930.60
  4. Step 4: Simplify right side
    22,011.40x = 361,132,814.22
  5. Step 5: Solve for x
    x = 361,132,814.22/22,011.40
  6. Step 6: Final answer
    x = 16,406.63

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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.