Home / 14,275.41-21,400.81-5,516.47

Finding the Fourth Proportional to 14,275.41, 21,400.81 and 5,516.47

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Solution

The fourth proportional to 14,275.41, 21,400.81 and 5,516.47 is: 8,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.41 : 21,400.81 = 5,516.47 : x
  2. Step 2: Convert to fraction form
    14,275.41/21,400.81 = 5,516.47/x
  3. Step 3: Cross multiply
    14,275.41x = 21,400.81 × 5,516.47
  4. Step 4: Simplify right side
    14,275.41x = 118,056,926.34
  5. Step 5: Solve for x
    x = 118,056,926.34/14,275.41
  6. Step 6: Final answer
    x = 8,269.95

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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.