Home / 17,681.77-24,400.38-9,615.21

Finding the Fourth Proportional to 17,681.77, 24,400.38 and 9,615.21

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Solution

The fourth proportional to 17,681.77, 24,400.38 and 9,615.21 is: 13,268.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,681.77 : 24,400.38 = 9,615.21 : x
  2. Step 2: Convert to fraction form
    17,681.77/24,400.38 = 9,615.21/x
  3. Step 3: Cross multiply
    17,681.77x = 24,400.38 × 9,615.21
  4. Step 4: Simplify right side
    17,681.77x = 234,614,777.78
  5. Step 5: Solve for x
    x = 234,614,777.78/17,681.77
  6. Step 6: Final answer
    x = 13,268.74

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1.5x scale

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.