Home / 25,914.24-35,764.80-15,312.96

Finding the Fourth Proportional to 25,914.24, 35,764.80 and 15,312.96

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Solution

The fourth proportional to 25,914.24, 35,764.80 and 15,312.96 is: 21,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,914.24 : 35,764.80 = 15,312.96 : x
  2. Step 2: Convert to fraction form
    25,914.24/35,764.80 = 15,312.96/x
  3. Step 3: Cross multiply
    25,914.24x = 35,764.80 × 15,312.96
  4. Step 4: Simplify right side
    25,914.24x = 547,664,951.81
  5. Step 5: Solve for x
    x = 547,664,951.81/25,914.24
  6. Step 6: Final answer
    x = 21,133.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.