Home / 22,791.77-31,437.28-19,802.46

Finding the Fourth Proportional to 22,791.77, 31,437.28 and 19,802.46

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Solution

The fourth proportional to 22,791.77, 31,437.28 and 19,802.46 is: 27,314.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,791.77 : 31,437.28 = 19,802.46 : x
  2. Step 2: Convert to fraction form
    22,791.77/31,437.28 = 19,802.46/x
  3. Step 3: Cross multiply
    22,791.77x = 31,437.28 × 19,802.46
  4. Step 4: Simplify right side
    22,791.77x = 622,535,479.71
  5. Step 5: Solve for x
    x = 622,535,479.71/22,791.77
  6. Step 6: Final answer
    x = 27,314.05

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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.