Home / 20,047.92-29,889.24-19,536.72

Finding the Fourth Proportional to 20,047.92, 29,889.24 and 19,536.72

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Solution

The fourth proportional to 20,047.92, 29,889.24 and 19,536.72 is: 29,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,047.92 : 29,889.24 = 19,536.72 : x
  2. Step 2: Convert to fraction form
    20,047.92/29,889.24 = 19,536.72/x
  3. Step 3: Cross multiply
    20,047.92x = 29,889.24 × 19,536.72
  4. Step 4: Simplify right side
    20,047.92x = 583,937,712.89
  5. Step 5: Solve for x
    x = 583,937,712.89/20,047.92
  6. Step 6: Final answer
    x = 29,127.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.