Home / 18,440.63-27,688.55-10,552.04

Finding the Fourth Proportional to 18,440.63, 27,688.55 and 10,552.04

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Solution

The fourth proportional to 18,440.63, 27,688.55 and 10,552.04 is: 15,843.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.63 : 27,688.55 = 10,552.04 : x
  2. Step 2: Convert to fraction form
    18,440.63/27,688.55 = 10,552.04/x
  3. Step 3: Cross multiply
    18,440.63x = 27,688.55 × 10,552.04
  4. Step 4: Simplify right side
    18,440.63x = 292,170,495.94
  5. Step 5: Solve for x
    x = 292,170,495.94/18,440.63
  6. Step 6: Final answer
    x = 15,843.85

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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.