Home / 19,963.95-27,532.76-15,983.61

Finding the Fourth Proportional to 19,963.95, 27,532.76 and 15,983.61

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Solution

The fourth proportional to 19,963.95, 27,532.76 and 15,983.61 is: 22,043.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.95 : 27,532.76 = 15,983.61 : x
  2. Step 2: Convert to fraction form
    19,963.95/27,532.76 = 15,983.61/x
  3. Step 3: Cross multiply
    19,963.95x = 27,532.76 × 15,983.61
  4. Step 4: Simplify right side
    19,963.95x = 440,072,818.15
  5. Step 5: Solve for x
    x = 440,072,818.15/19,963.95
  6. Step 6: Final answer
    x = 22,043.37

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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.