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Finding the Fourth Proportional to 14,202.57, 19,599.65 and 7,829.38

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Solution

The fourth proportional to 14,202.57, 19,599.65 and 7,829.38 is: 10,804.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,202.57 : 19,599.65 = 7,829.38 : x
  2. Step 2: Convert to fraction form
    14,202.57/19,599.65 = 7,829.38/x
  3. Step 3: Cross multiply
    14,202.57x = 19,599.65 × 7,829.38
  4. Step 4: Simplify right side
    14,202.57x = 153,453,155.53
  5. Step 5: Solve for x
    x = 153,453,155.53/14,202.57
  6. Step 6: Final answer
    x = 10,804.61

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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.