Home / 19,875.33-27,426.62-10,922.64

Finding the Fourth Proportional to 19,875.33, 27,426.62 and 10,922.64

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Solution

The fourth proportional to 19,875.33, 27,426.62 and 10,922.64 is: 15,072.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.33 : 27,426.62 = 10,922.64 : x
  2. Step 2: Convert to fraction form
    19,875.33/27,426.62 = 10,922.64/x
  3. Step 3: Cross multiply
    19,875.33x = 27,426.62 × 10,922.64
  4. Step 4: Simplify right side
    19,875.33x = 299,570,959.54
  5. Step 5: Solve for x
    x = 299,570,959.54/19,875.33
  6. Step 6: Final answer
    x = 15,072.51

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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.