Home / 19,823.69-27,356.73-10,871.26

Finding the Fourth Proportional to 19,823.69, 27,356.73 and 10,871.26

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Solution

The fourth proportional to 19,823.69, 27,356.73 and 10,871.26 is: 15,002.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.69 : 27,356.73 = 10,871.26 : x
  2. Step 2: Convert to fraction form
    19,823.69/27,356.73 = 10,871.26/x
  3. Step 3: Cross multiply
    19,823.69x = 27,356.73 × 10,871.26
  4. Step 4: Simplify right side
    19,823.69x = 297,401,987.80
  5. Step 5: Solve for x
    x = 297,401,987.80/19,823.69
  6. Step 6: Final answer
    x = 15,002.35

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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.