Home / 13,149.32-19,733.77-9,648.37

Finding the Fourth Proportional to 13,149.32, 19,733.77 and 9,648.37

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Solution

The fourth proportional to 13,149.32, 19,733.77 and 9,648.37 is: 14,479.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.32 : 19,733.77 = 9,648.37 : x
  2. Step 2: Convert to fraction form
    13,149.32/19,733.77 = 9,648.37/x
  3. Step 3: Cross multiply
    13,149.32x = 19,733.77 × 9,648.37
  4. Step 4: Simplify right side
    13,149.32x = 190,398,641.00
  5. Step 5: Solve for x
    x = 190,398,641.00/13,149.32
  6. Step 6: Final answer
    x = 14,479.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.