Home / 20,573.24-28,363.63-15,447.06

Finding the Fourth Proportional to 20,573.24, 28,363.63 and 15,447.06

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Solution

The fourth proportional to 20,573.24, 28,363.63 and 15,447.06 is: 21,296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,573.24 : 28,363.63 = 15,447.06 : x
  2. Step 2: Convert to fraction form
    20,573.24/28,363.63 = 15,447.06/x
  3. Step 3: Cross multiply
    20,573.24x = 28,363.63 × 15,447.06
  4. Step 4: Simplify right side
    20,573.24x = 438,134,694.43
  5. Step 5: Solve for x
    x = 438,134,694.43/20,573.24
  6. Step 6: Final answer
    x = 21,296.34

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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.