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Finding the Fourth Proportional to 18,354.24, 25,333.86 and 10,803

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Solution

The fourth proportional to 18,354.24, 25,333.86 and 10,803 is: 14,911.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.24 : 25,333.86 = 10,803 : x
  2. Step 2: Convert to fraction form
    18,354.24/25,333.86 = 10,803/x
  3. Step 3: Cross multiply
    18,354.24x = 25,333.86 × 10,803
  4. Step 4: Simplify right side
    18,354.24x = 273,681,689.58
  5. Step 5: Solve for x
    x = 273,681,689.58/18,354.24
  6. Step 6: Final answer
    x = 14,911.09

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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.