Home / 13,767.48-20,701.04-12,684.92

Finding the Fourth Proportional to 13,767.48, 20,701.04 and 12,684.92

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Solution

The fourth proportional to 13,767.48, 20,701.04 and 12,684.92 is: 19,073.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.48 : 20,701.04 = 12,684.92 : x
  2. Step 2: Convert to fraction form
    13,767.48/20,701.04 = 12,684.92/x
  3. Step 3: Cross multiply
    13,767.48x = 20,701.04 × 12,684.92
  4. Step 4: Simplify right side
    13,767.48x = 262,591,036.32
  5. Step 5: Solve for x
    x = 262,591,036.32/13,767.48
  6. Step 6: Final answer
    x = 19,073.28

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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.