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Finding the Fourth Proportional to 14,767.56, 22,139.64 and 7,368.21

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Solution

The fourth proportional to 14,767.56, 22,139.64 and 7,368.21 is: 11,046.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,767.56 : 22,139.64 = 7,368.21 : x
  2. Step 2: Convert to fraction form
    14,767.56/22,139.64 = 7,368.21/x
  3. Step 3: Cross multiply
    14,767.56x = 22,139.64 × 7,368.21
  4. Step 4: Simplify right side
    14,767.56x = 163,129,516.84
  5. Step 5: Solve for x
    x = 163,129,516.84/14,767.56
  6. Step 6: Final answer
    x = 11,046.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.