Home / 25,582.71-38,327.31-18,545.27

Finding the Fourth Proportional to 25,582.71, 38,327.31 and 18,545.27

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Solution

The fourth proportional to 25,582.71, 38,327.31 and 18,545.27 is: 27,784.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,582.71 : 38,327.31 = 18,545.27 : x
  2. Step 2: Convert to fraction form
    25,582.71/38,327.31 = 18,545.27/x
  3. Step 3: Cross multiply
    25,582.71x = 38,327.31 × 18,545.27
  4. Step 4: Simplify right side
    25,582.71x = 710,790,336.28
  5. Step 5: Solve for x
    x = 710,790,336.28/25,582.71
  6. Step 6: Final answer
    x = 27,784.01

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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.