Home / 25,764.96-38,584.08-12,574.80

Finding the Fourth Proportional to 25,764.96, 38,584.08 and 12,574.80

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Solution

The fourth proportional to 25,764.96, 38,584.08 and 12,574.80 is: 18,831.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,764.96 : 38,584.08 = 12,574.80 : x
  2. Step 2: Convert to fraction form
    25,764.96/38,584.08 = 12,574.80/x
  3. Step 3: Cross multiply
    25,764.96x = 38,584.08 × 12,574.80
  4. Step 4: Simplify right side
    25,764.96x = 485,187,089.18
  5. Step 5: Solve for x
    x = 485,187,089.18/25,764.96
  6. Step 6: Final answer
    x = 18,831.28

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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.