Home / 20,013.02-27,617.60-11,060.90

Finding the Fourth Proportional to 20,013.02, 27,617.60 and 11,060.90

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Solution

The fourth proportional to 20,013.02, 27,617.60 and 11,060.90 is: 15,263.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013.02 : 27,617.60 = 11,060.90 : x
  2. Step 2: Convert to fraction form
    20,013.02/27,617.60 = 11,060.90/x
  3. Step 3: Cross multiply
    20,013.02x = 27,617.60 × 11,060.90
  4. Step 4: Simplify right side
    20,013.02x = 305,475,511.84
  5. Step 5: Solve for x
    x = 305,475,511.84/20,013.02
  6. Step 6: Final answer
    x = 15,263.84

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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.