Home / 13,893.04-19,167.22-8,856.10

Finding the Fourth Proportional to 13,893.04, 19,167.22 and 8,856.10

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Solution

The fourth proportional to 13,893.04, 19,167.22 and 8,856.10 is: 12,218.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.04 : 19,167.22 = 8,856.10 : x
  2. Step 2: Convert to fraction form
    13,893.04/19,167.22 = 8,856.10/x
  3. Step 3: Cross multiply
    13,893.04x = 19,167.22 × 8,856.10
  4. Step 4: Simplify right side
    13,893.04x = 169,746,817.04
  5. Step 5: Solve for x
    x = 169,746,817.04/13,893.04
  6. Step 6: Final answer
    x = 12,218.12

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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.