Home / 16,700.72-23,047.34-9,147.38

Finding the Fourth Proportional to 16,700.72, 23,047.34 and 9,147.38

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Solution

The fourth proportional to 16,700.72, 23,047.34 and 9,147.38 is: 12,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,700.72 : 23,047.34 = 9,147.38 : x
  2. Step 2: Convert to fraction form
    16,700.72/23,047.34 = 9,147.38/x
  3. Step 3: Cross multiply
    16,700.72x = 23,047.34 × 9,147.38
  4. Step 4: Simplify right side
    16,700.72x = 210,822,616.00
  5. Step 5: Solve for x
    x = 210,822,616.00/16,700.72
  6. Step 6: Final answer
    x = 12,623.57

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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.