Home / 13,165.12-19,748.99-5,671.19

Finding the Fourth Proportional to 13,165.12, 19,748.99 and 5,671.19

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Solution

The fourth proportional to 13,165.12, 19,748.99 and 5,671.19 is: 8,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.12 : 19,748.99 = 5,671.19 : x
  2. Step 2: Convert to fraction form
    13,165.12/19,748.99 = 5,671.19/x
  3. Step 3: Cross multiply
    13,165.12x = 19,748.99 × 5,671.19
  4. Step 4: Simplify right side
    13,165.12x = 112,000,246.24
  5. Step 5: Solve for x
    x = 112,000,246.24/13,165.12
  6. Step 6: Final answer
    x = 8,507.35

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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.