Home / 20,251.02-27,946.44-11,176.17

Finding the Fourth Proportional to 20,251.02, 27,946.44 and 11,176.17

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Solution

The fourth proportional to 20,251.02, 27,946.44 and 11,176.17 is: 15,423.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.02 : 27,946.44 = 11,176.17 : x
  2. Step 2: Convert to fraction form
    20,251.02/27,946.44 = 11,176.17/x
  3. Step 3: Cross multiply
    20,251.02x = 27,946.44 × 11,176.17
  4. Step 4: Simplify right side
    20,251.02x = 312,334,164.33
  5. Step 5: Solve for x
    x = 312,334,164.33/20,251.02
  6. Step 6: Final answer
    x = 15,423.13

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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.