Home / 20,040.26-27,636.64-14,947.01

Finding the Fourth Proportional to 20,040.26, 27,636.64 and 14,947.01

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Solution

The fourth proportional to 20,040.26, 27,636.64 and 14,947.01 is: 20,612.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040.26 : 27,636.64 = 14,947.01 : x
  2. Step 2: Convert to fraction form
    20,040.26/27,636.64 = 14,947.01/x
  3. Step 3: Cross multiply
    20,040.26x = 27,636.64 × 14,947.01
  4. Step 4: Simplify right side
    20,040.26x = 413,085,166.17
  5. Step 5: Solve for x
    x = 413,085,166.17/20,040.26
  6. Step 6: Final answer
    x = 20,612.76

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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.