Home / 22,140.14-33,221.64-8,810.25

Finding the Fourth Proportional to 22,140.14, 33,221.64 and 8,810.25

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Solution

The fourth proportional to 22,140.14, 33,221.64 and 8,810.25 is: 13,219.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,140.14 : 33,221.64 = 8,810.25 : x
  2. Step 2: Convert to fraction form
    22,140.14/33,221.64 = 8,810.25/x
  3. Step 3: Cross multiply
    22,140.14x = 33,221.64 × 8,810.25
  4. Step 4: Simplify right side
    22,140.14x = 292,690,953.81
  5. Step 5: Solve for x
    x = 292,690,953.81/22,140.14
  6. Step 6: Final answer
    x = 13,219.93

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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.