Home / 20,024.21-27,631.01-11,070.50

Finding the Fourth Proportional to 20,024.21, 27,631.01 and 11,070.50

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Solution

The fourth proportional to 20,024.21, 27,631.01 and 11,070.50 is: 15,275.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024.21 : 27,631.01 = 11,070.50 : x
  2. Step 2: Convert to fraction form
    20,024.21/27,631.01 = 11,070.50/x
  3. Step 3: Cross multiply
    20,024.21x = 27,631.01 × 11,070.50
  4. Step 4: Simplify right side
    20,024.21x = 305,889,109.93
  5. Step 5: Solve for x
    x = 305,889,109.93/20,024.21
  6. Step 6: Final answer
    x = 15,275.96

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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.