Home / 13,516.70-20,268.84-7,508.93

Finding the Fourth Proportional to 13,516.70, 20,268.84 and 7,508.93

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Solution

The fourth proportional to 13,516.70, 20,268.84 and 7,508.93 is: 11,259.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.70 : 20,268.84 = 7,508.93 : x
  2. Step 2: Convert to fraction form
    13,516.70/20,268.84 = 7,508.93/x
  3. Step 3: Cross multiply
    13,516.70x = 20,268.84 × 7,508.93
  4. Step 4: Simplify right side
    13,516.70x = 152,197,300.74
  5. Step 5: Solve for x
    x = 152,197,300.74/13,516.70
  6. Step 6: Final answer
    x = 11,259.95

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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.