Home / 25,777.47-38,615.86-17,770.82

Finding the Fourth Proportional to 25,777.47, 38,615.86 and 17,770.82

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Solution

The fourth proportional to 25,777.47, 38,615.86 and 17,770.82 is: 26,621.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,777.47 : 38,615.86 = 17,770.82 : x
  2. Step 2: Convert to fraction form
    25,777.47/38,615.86 = 17,770.82/x
  3. Step 3: Cross multiply
    25,777.47x = 38,615.86 × 17,770.82
  4. Step 4: Simplify right side
    25,777.47x = 686,235,497.21
  5. Step 5: Solve for x
    x = 686,235,497.21/25,777.47
  6. Step 6: Final answer
    x = 26,621.52

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1.5x scale

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.