Home / 19,516.83-29,275.31-4,725.72

Finding the Fourth Proportional to 19,516.83, 29,275.31 and 4,725.72

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Solution

The fourth proportional to 19,516.83, 29,275.31 and 4,725.72 is: 7,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516.83 : 29,275.31 = 4,725.72 : x
  2. Step 2: Convert to fraction form
    19,516.83/29,275.31 = 4,725.72/x
  3. Step 3: Cross multiply
    19,516.83x = 29,275.31 × 4,725.72
  4. Step 4: Simplify right side
    19,516.83x = 138,346,917.97
  5. Step 5: Solve for x
    x = 138,346,917.97/19,516.83
  6. Step 6: Final answer
    x = 7,088.60

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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.