Home / 18,511.35-25,539.44-10,547.97

Finding the Fourth Proportional to 18,511.35, 25,539.44 and 10,547.97

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Solution

The fourth proportional to 18,511.35, 25,539.44 and 10,547.97 is: 14,552.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511.35 : 25,539.44 = 10,547.97 : x
  2. Step 2: Convert to fraction form
    18,511.35/25,539.44 = 10,547.97/x
  3. Step 3: Cross multiply
    18,511.35x = 25,539.44 × 10,547.97
  4. Step 4: Simplify right side
    18,511.35x = 269,389,246.94
  5. Step 5: Solve for x
    x = 269,389,246.94/18,511.35
  6. Step 6: Final answer
    x = 14,552.65

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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.