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Finding the Fourth Proportional to 18,484.14, 25,509.87 and 10,101.90

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Solution

The fourth proportional to 18,484.14, 25,509.87 and 10,101.90 is: 13,941.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,484.14 : 25,509.87 = 10,101.90 : x
  2. Step 2: Convert to fraction form
    18,484.14/25,509.87 = 10,101.90/x
  3. Step 3: Cross multiply
    18,484.14x = 25,509.87 × 10,101.90
  4. Step 4: Simplify right side
    18,484.14x = 257,698,155.75
  5. Step 5: Solve for x
    x = 257,698,155.75/18,484.14
  6. Step 6: Final answer
    x = 13,941.58

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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.