Home / 17,681.64-24,405.78-10,131.66

Finding the Fourth Proportional to 17,681.64, 24,405.78 and 10,131.66

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Solution

The fourth proportional to 17,681.64, 24,405.78 and 10,131.66 is: 13,984.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,681.64 : 24,405.78 = 10,131.66 : x
  2. Step 2: Convert to fraction form
    17,681.64/24,405.78 = 10,131.66/x
  3. Step 3: Cross multiply
    17,681.64x = 24,405.78 × 10,131.66
  4. Step 4: Simplify right side
    17,681.64x = 247,271,064.99
  5. Step 5: Solve for x
    x = 247,271,064.99/17,681.64
  6. Step 6: Final answer
    x = 13,984.62

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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.