Home / 13,725.10-20,616.18-11,095.57

Finding the Fourth Proportional to 13,725.10, 20,616.18 and 11,095.57

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Solution

The fourth proportional to 13,725.10, 20,616.18 and 11,095.57 is: 16,666.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.10 : 20,616.18 = 11,095.57 : x
  2. Step 2: Convert to fraction form
    13,725.10/20,616.18 = 11,095.57/x
  3. Step 3: Cross multiply
    13,725.10x = 20,616.18 × 11,095.57
  4. Step 4: Simplify right side
    13,725.10x = 228,748,268.32
  5. Step 5: Solve for x
    x = 228,748,268.32/13,725.10
  6. Step 6: Final answer
    x = 16,666.42

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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.