Home / 19,820.02-27,351.41-10,867.49

Finding the Fourth Proportional to 19,820.02, 27,351.41 and 10,867.49

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Solution

The fourth proportional to 19,820.02, 27,351.41 and 10,867.49 is: 14,997.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,820.02 : 27,351.41 = 10,867.49 : x
  2. Step 2: Convert to fraction form
    19,820.02/27,351.41 = 10,867.49/x
  3. Step 3: Cross multiply
    19,820.02x = 27,351.41 × 10,867.49
  4. Step 4: Simplify right side
    19,820.02x = 297,241,270.21
  5. Step 5: Solve for x
    x = 297,241,270.21/19,820.02
  6. Step 6: Final answer
    x = 14,997.02

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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.