Home / 20,024.77-27,633-11,071.57

Finding the Fourth Proportional to 20,024.77, 27,633 and 11,071.57

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Solution

The fourth proportional to 20,024.77, 27,633 and 11,071.57 is: 15,278.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024.77 : 27,633 = 11,071.57 : x
  2. Step 2: Convert to fraction form
    20,024.77/27,633 = 11,071.57/x
  3. Step 3: Cross multiply
    20,024.77x = 27,633 × 11,071.57
  4. Step 4: Simplify right side
    20,024.77x = 305,940,693.81
  5. Step 5: Solve for x
    x = 305,940,693.81/20,024.77
  6. Step 6: Final answer
    x = 15,278.11

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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.