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Finding the Fourth Proportional to 14,182.84, 19,599.29 and 10,639.90

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Solution

The fourth proportional to 14,182.84, 19,599.29 and 10,639.90 is: 14,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.84 : 19,599.29 = 10,639.90 : x
  2. Step 2: Convert to fraction form
    14,182.84/19,599.29 = 10,639.90/x
  3. Step 3: Cross multiply
    14,182.84x = 19,599.29 × 10,639.90
  4. Step 4: Simplify right side
    14,182.84x = 208,534,463.27
  5. Step 5: Solve for x
    x = 208,534,463.27/14,182.84
  6. Step 6: Final answer
    x = 14,703.30

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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.