Home / 18,317.68-25,284.36-10,763.88

Finding the Fourth Proportional to 18,317.68, 25,284.36 and 10,763.88

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Solution

The fourth proportional to 18,317.68, 25,284.36 and 10,763.88 is: 14,857.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.68 : 25,284.36 = 10,763.88 : x
  2. Step 2: Convert to fraction form
    18,317.68/25,284.36 = 10,763.88/x
  3. Step 3: Cross multiply
    18,317.68x = 25,284.36 × 10,763.88
  4. Step 4: Simplify right side
    18,317.68x = 272,157,816.92
  5. Step 5: Solve for x
    x = 272,157,816.92/18,317.68
  6. Step 6: Final answer
    x = 14,857.66

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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.