Home / 16,687.72-23,047.95-11,373.31

Finding the Fourth Proportional to 16,687.72, 23,047.95 and 11,373.31

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Solution

The fourth proportional to 16,687.72, 23,047.95 and 11,373.31 is: 15,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.72 : 23,047.95 = 11,373.31 : x
  2. Step 2: Convert to fraction form
    16,687.72/23,047.95 = 11,373.31/x
  3. Step 3: Cross multiply
    16,687.72x = 23,047.95 × 11,373.31
  4. Step 4: Simplify right side
    16,687.72x = 262,131,480.21
  5. Step 5: Solve for x
    x = 262,131,480.21/16,687.72
  6. Step 6: Final answer
    x = 15,708.05

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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.