Home / 18,416.28-27,636.51-10,102.13

Finding the Fourth Proportional to 18,416.28, 27,636.51 and 10,102.13

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Solution

The fourth proportional to 18,416.28, 27,636.51 and 10,102.13 is: 15,159.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.28 : 27,636.51 = 10,102.13 : x
  2. Step 2: Convert to fraction form
    18,416.28/27,636.51 = 10,102.13/x
  3. Step 3: Cross multiply
    18,416.28x = 27,636.51 × 10,102.13
  4. Step 4: Simplify right side
    18,416.28x = 279,187,723.74
  5. Step 5: Solve for x
    x = 279,187,723.74/18,416.28
  6. Step 6: Final answer
    x = 15,159.84

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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.