Home / 20,598.53-28,427.74-11,647.62

Finding the Fourth Proportional to 20,598.53, 28,427.74 and 11,647.62

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Solution

The fourth proportional to 20,598.53, 28,427.74 and 11,647.62 is: 16,074.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598.53 : 28,427.74 = 11,647.62 : x
  2. Step 2: Convert to fraction form
    20,598.53/28,427.74 = 11,647.62/x
  3. Step 3: Cross multiply
    20,598.53x = 28,427.74 × 11,647.62
  4. Step 4: Simplify right side
    20,598.53x = 331,115,483.86
  5. Step 5: Solve for x
    x = 331,115,483.86/20,598.53
  6. Step 6: Final answer
    x = 16,074.72

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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.