Home / 13,850.64-19,108.44-8,813.52

Finding the Fourth Proportional to 13,850.64, 19,108.44 and 8,813.52

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Solution

The fourth proportional to 13,850.64, 19,108.44 and 8,813.52 is: 12,159.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.64 : 19,108.44 = 8,813.52 : x
  2. Step 2: Convert to fraction form
    13,850.64/19,108.44 = 8,813.52/x
  3. Step 3: Cross multiply
    13,850.64x = 19,108.44 × 8,813.52
  4. Step 4: Simplify right side
    13,850.64x = 168,412,618.11
  5. Step 5: Solve for x
    x = 168,412,618.11/13,850.64
  6. Step 6: Final answer
    x = 12,159.19

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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.