Home / 17,611.47-26,421.30-5,132.82

Finding the Fourth Proportional to 17,611.47, 26,421.30 and 5,132.82

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Solution

The fourth proportional to 17,611.47, 26,421.30 and 5,132.82 is: 7,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,611.47 : 26,421.30 = 5,132.82 : x
  2. Step 2: Convert to fraction form
    17,611.47/26,421.30 = 5,132.82/x
  3. Step 3: Cross multiply
    17,611.47x = 26,421.30 × 5,132.82
  4. Step 4: Simplify right side
    17,611.47x = 135,615,777.07
  5. Step 5: Solve for x
    x = 135,615,777.07/17,611.47
  6. Step 6: Final answer
    x = 7,700.42

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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.