Home / 19,823.93-27,357.81-10,871.75

Finding the Fourth Proportional to 19,823.93, 27,357.81 and 10,871.75

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Solution

The fourth proportional to 19,823.93, 27,357.81 and 10,871.75 is: 15,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.93 : 27,357.81 = 10,871.75 : x
  2. Step 2: Convert to fraction form
    19,823.93/27,357.81 = 10,871.75/x
  3. Step 3: Cross multiply
    19,823.93x = 27,357.81 × 10,871.75
  4. Step 4: Simplify right side
    19,823.93x = 297,427,270.87
  5. Step 5: Solve for x
    x = 297,427,270.87/19,823.93
  6. Step 6: Final answer
    x = 15,003.45

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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.