Home / 20,023.93-27,631.66-11,070.22

Finding the Fourth Proportional to 20,023.93, 27,631.66 and 11,070.22

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Solution

The fourth proportional to 20,023.93, 27,631.66 and 11,070.22 is: 15,276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.93 : 27,631.66 = 11,070.22 : x
  2. Step 2: Convert to fraction form
    20,023.93/27,631.66 = 11,070.22/x
  3. Step 3: Cross multiply
    20,023.93x = 27,631.66 × 11,070.22
  4. Step 4: Simplify right side
    20,023.93x = 305,888,555.17
  5. Step 5: Solve for x
    x = 305,888,555.17/20,023.93
  6. Step 6: Final answer
    x = 15,276.15

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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.