Home / 20,152.09-27,813.41-19,266.49

Finding the Fourth Proportional to 20,152.09, 27,813.41 and 19,266.49

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Solution

The fourth proportional to 20,152.09, 27,813.41 and 19,266.49 is: 26,591.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.09 : 27,813.41 = 19,266.49 : x
  2. Step 2: Convert to fraction form
    20,152.09/27,813.41 = 19,266.49/x
  3. Step 3: Cross multiply
    20,152.09x = 27,813.41 × 19,266.49
  4. Step 4: Simplify right side
    20,152.09x = 535,866,785.63
  5. Step 5: Solve for x
    x = 535,866,785.63/20,152.09
  6. Step 6: Final answer
    x = 26,591.13

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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.