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Finding the Fourth Proportional to 14,041.17, 19,376.87 and 7,667.82

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Solution

The fourth proportional to 14,041.17, 19,376.87 and 7,667.82 is: 10,581.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041.17 : 19,376.87 = 7,667.82 : x
  2. Step 2: Convert to fraction form
    14,041.17/19,376.87 = 7,667.82/x
  3. Step 3: Cross multiply
    14,041.17x = 19,376.87 × 7,667.82
  4. Step 4: Simplify right side
    14,041.17x = 148,578,312.98
  5. Step 5: Solve for x
    x = 148,578,312.98/14,041.17
  6. Step 6: Final answer
    x = 10,581.62

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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.