Home / 25,772.52-38,662.80-10,981.50

Finding the Fourth Proportional to 25,772.52, 38,662.80 and 10,981.50

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Solution

The fourth proportional to 25,772.52, 38,662.80 and 10,981.50 is: 16,473.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,772.52 : 38,662.80 = 10,981.50 : x
  2. Step 2: Convert to fraction form
    25,772.52/38,662.80 = 10,981.50/x
  3. Step 3: Cross multiply
    25,772.52x = 38,662.80 × 10,981.50
  4. Step 4: Simplify right side
    25,772.52x = 424,575,538.20
  5. Step 5: Solve for x
    x = 424,575,538.20/25,772.52
  6. Step 6: Final answer
    x = 16,473.96

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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.