Home / 20,263.02-27,968.94-11,767.20

Finding the Fourth Proportional to 20,263.02, 27,968.94 and 11,767.20

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Solution

The fourth proportional to 20,263.02, 27,968.94 and 11,767.20 is: 16,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.02 : 27,968.94 = 11,767.20 : x
  2. Step 2: Convert to fraction form
    20,263.02/27,968.94 = 11,767.20/x
  3. Step 3: Cross multiply
    20,263.02x = 27,968.94 × 11,767.20
  4. Step 4: Simplify right side
    20,263.02x = 329,116,110.77
  5. Step 5: Solve for x
    x = 329,116,110.77/20,263.02
  6. Step 6: Final answer
    x = 16,242.20

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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.