Home / 16,661.56-23,000.34-10,378.12

Finding the Fourth Proportional to 16,661.56, 23,000.34 and 10,378.12

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Solution

The fourth proportional to 16,661.56, 23,000.34 and 10,378.12 is: 14,326.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,661.56 : 23,000.34 = 10,378.12 : x
  2. Step 2: Convert to fraction form
    16,661.56/23,000.34 = 10,378.12/x
  3. Step 3: Cross multiply
    16,661.56x = 23,000.34 × 10,378.12
  4. Step 4: Simplify right side
    16,661.56x = 238,700,288.56
  5. Step 5: Solve for x
    x = 238,700,288.56/16,661.56
  6. Step 6: Final answer
    x = 14,326.41

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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.