Home / 14,159.37-19,531.62-8,856.81

Finding the Fourth Proportional to 14,159.37, 19,531.62 and 8,856.81

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Solution

The fourth proportional to 14,159.37, 19,531.62 and 8,856.81 is: 12,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.37 : 19,531.62 = 8,856.81 : x
  2. Step 2: Convert to fraction form
    14,159.37/19,531.62 = 8,856.81/x
  3. Step 3: Cross multiply
    14,159.37x = 19,531.62 × 8,856.81
  4. Step 4: Simplify right side
    14,159.37x = 172,987,847.33
  5. Step 5: Solve for x
    x = 172,987,847.33/14,159.37
  6. Step 6: Final answer
    x = 12,217.20

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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.