Home / 25,582.60-38,347.50-13,871.08

Finding the Fourth Proportional to 25,582.60, 38,347.50 and 13,871.08

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Solution

The fourth proportional to 25,582.60, 38,347.50 and 13,871.08 is: 20,792.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,582.60 : 38,347.50 = 13,871.08 : x
  2. Step 2: Convert to fraction form
    25,582.60/38,347.50 = 13,871.08/x
  3. Step 3: Cross multiply
    25,582.60x = 38,347.50 × 13,871.08
  4. Step 4: Simplify right side
    25,582.60x = 531,921,240.30
  5. Step 5: Solve for x
    x = 531,921,240.30/25,582.60
  6. Step 6: Final answer
    x = 20,792.31

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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.