Home / 13,656.60-20,492.86-5,758.62

Finding the Fourth Proportional to 13,656.60, 20,492.86 and 5,758.62

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Solution

The fourth proportional to 13,656.60, 20,492.86 and 5,758.62 is: 8,641.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.60 : 20,492.86 = 5,758.62 : x
  2. Step 2: Convert to fraction form
    13,656.60/20,492.86 = 5,758.62/x
  3. Step 3: Cross multiply
    13,656.60x = 20,492.86 × 5,758.62
  4. Step 4: Simplify right side
    13,656.60x = 118,010,593.45
  5. Step 5: Solve for x
    x = 118,010,593.45/13,656.60
  6. Step 6: Final answer
    x = 8,641.29

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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.