Home / 18,716.48-25,841.76-11,646.08

Finding the Fourth Proportional to 18,716.48, 25,841.76 and 11,646.08

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Solution

The fourth proportional to 18,716.48, 25,841.76 and 11,646.08 is: 16,079.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716.48 : 25,841.76 = 11,646.08 : x
  2. Step 2: Convert to fraction form
    18,716.48/25,841.76 = 11,646.08/x
  3. Step 3: Cross multiply
    18,716.48x = 25,841.76 × 11,646.08
  4. Step 4: Simplify right side
    18,716.48x = 300,955,204.30
  5. Step 5: Solve for x
    x = 300,955,204.30/18,716.48
  6. Step 6: Final answer
    x = 16,079.69

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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.