Home / 13,354.90-18,427.11-8,050.06

Finding the Fourth Proportional to 13,354.90, 18,427.11 and 8,050.06

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Solution

The fourth proportional to 13,354.90, 18,427.11 and 8,050.06 is: 11,107.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.90 : 18,427.11 = 8,050.06 : x
  2. Step 2: Convert to fraction form
    13,354.90/18,427.11 = 8,050.06/x
  3. Step 3: Cross multiply
    13,354.90x = 18,427.11 × 8,050.06
  4. Step 4: Simplify right side
    13,354.90x = 148,339,341.13
  5. Step 5: Solve for x
    x = 148,339,341.13/13,354.90
  6. Step 6: Final answer
    x = 11,107.48

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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.