Home / 13,492.52-18,612.60-10,977.44

Finding the Fourth Proportional to 13,492.52, 18,612.60 and 10,977.44

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Solution

The fourth proportional to 13,492.52, 18,612.60 and 10,977.44 is: 15,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.52 : 18,612.60 = 10,977.44 : x
  2. Step 2: Convert to fraction form
    13,492.52/18,612.60 = 10,977.44/x
  3. Step 3: Cross multiply
    13,492.52x = 18,612.60 × 10,977.44
  4. Step 4: Simplify right side
    13,492.52x = 204,318,699.74
  5. Step 5: Solve for x
    x = 204,318,699.74/13,492.52
  6. Step 6: Final answer
    x = 15,143.11

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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.