Home / 14,091.57-19,449.59-8,785.37

Finding the Fourth Proportional to 14,091.57, 19,449.59 and 8,785.37

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Solution

The fourth proportional to 14,091.57, 19,449.59 and 8,785.37 is: 12,125.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.57 : 19,449.59 = 8,785.37 : x
  2. Step 2: Convert to fraction form
    14,091.57/19,449.59 = 8,785.37/x
  3. Step 3: Cross multiply
    14,091.57x = 19,449.59 × 8,785.37
  4. Step 4: Simplify right side
    14,091.57x = 170,871,849.20
  5. Step 5: Solve for x
    x = 170,871,849.20/14,091.57
  6. Step 6: Final answer
    x = 12,125.82

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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.