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Finding the Fourth Proportional to 14,758.93, 20,376.93 and 11,395.81

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Solution

The fourth proportional to 14,758.93, 20,376.93 and 11,395.81 is: 15,733.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,758.93 : 20,376.93 = 11,395.81 : x
  2. Step 2: Convert to fraction form
    14,758.93/20,376.93 = 11,395.81/x
  3. Step 3: Cross multiply
    14,758.93x = 20,376.93 × 11,395.81
  4. Step 4: Simplify right side
    14,758.93x = 232,211,622.66
  5. Step 5: Solve for x
    x = 232,211,622.66/14,758.93
  6. Step 6: Final answer
    x = 15,733.64

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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.