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Finding the Fourth Proportional to 14,126.88, 19,495.07 and 7,753.50

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Solution

The fourth proportional to 14,126.88, 19,495.07 and 7,753.50 is: 10,699.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.88 : 19,495.07 = 7,753.50 : x
  2. Step 2: Convert to fraction form
    14,126.88/19,495.07 = 7,753.50/x
  3. Step 3: Cross multiply
    14,126.88x = 19,495.07 × 7,753.50
  4. Step 4: Simplify right side
    14,126.88x = 151,155,025.25
  5. Step 5: Solve for x
    x = 151,155,025.25/14,126.88
  6. Step 6: Final answer
    x = 10,699.82

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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.