Home / 20,592.22-28,416.50-11,160.58

Finding the Fourth Proportional to 20,592.22, 28,416.50 and 11,160.58

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Solution

The fourth proportional to 20,592.22, 28,416.50 and 11,160.58 is: 15,401.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592.22 : 28,416.50 = 11,160.58 : x
  2. Step 2: Convert to fraction form
    20,592.22/28,416.50 = 11,160.58/x
  3. Step 3: Cross multiply
    20,592.22x = 28,416.50 × 11,160.58
  4. Step 4: Simplify right side
    20,592.22x = 317,144,621.57
  5. Step 5: Solve for x
    x = 317,144,621.57/20,592.22
  6. Step 6: Final answer
    x = 15,401.19

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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.