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Finding the Fourth Proportional to 14,127.67, 19,495.99 and 7,754.32

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Solution

The fourth proportional to 14,127.67, 19,495.99 and 7,754.32 is: 10,700.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.67 : 19,495.99 = 7,754.32 : x
  2. Step 2: Convert to fraction form
    14,127.67/19,495.99 = 7,754.32/x
  3. Step 3: Cross multiply
    14,127.67x = 19,495.99 × 7,754.32
  4. Step 4: Simplify right side
    14,127.67x = 151,178,145.18
  5. Step 5: Solve for x
    x = 151,178,145.18/14,127.67
  6. Step 6: Final answer
    x = 10,700.85

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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.