Home / 20,085.02-27,717.33-11,133.11

Finding the Fourth Proportional to 20,085.02, 27,717.33 and 11,133.11

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Solution

The fourth proportional to 20,085.02, 27,717.33 and 11,133.11 is: 15,363.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,085.02 : 27,717.33 = 11,133.11 : x
  2. Step 2: Convert to fraction form
    20,085.02/27,717.33 = 11,133.11/x
  3. Step 3: Cross multiply
    20,085.02x = 27,717.33 × 11,133.11
  4. Step 4: Simplify right side
    20,085.02x = 308,579,945.21
  5. Step 5: Solve for x
    x = 308,579,945.21/20,085.02
  6. Step 6: Final answer
    x = 15,363.69

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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.