Home / 19,727.87-27,224.51-10,775.48

Finding the Fourth Proportional to 19,727.87, 27,224.51 and 10,775.48

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Solution

The fourth proportional to 19,727.87, 27,224.51 and 10,775.48 is: 14,870.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.87 : 27,224.51 = 10,775.48 : x
  2. Step 2: Convert to fraction form
    19,727.87/27,224.51 = 10,775.48/x
  3. Step 3: Cross multiply
    19,727.87x = 27,224.51 × 10,775.48
  4. Step 4: Simplify right side
    19,727.87x = 293,356,973.01
  5. Step 5: Solve for x
    x = 293,356,973.01/19,727.87
  6. Step 6: Final answer
    x = 14,870.18

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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.