Home / 22,889.45-31,592.03-15,738.77

Finding the Fourth Proportional to 22,889.45, 31,592.03 and 15,738.77

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Solution

The fourth proportional to 22,889.45, 31,592.03 and 15,738.77 is: 21,722.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,889.45 : 31,592.03 = 15,738.77 : x
  2. Step 2: Convert to fraction form
    22,889.45/31,592.03 = 15,738.77/x
  3. Step 3: Cross multiply
    22,889.45x = 31,592.03 × 15,738.77
  4. Step 4: Simplify right side
    22,889.45x = 497,219,694.29
  5. Step 5: Solve for x
    x = 497,219,694.29/22,889.45
  6. Step 6: Final answer
    x = 21,722.66

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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.