Home / 13,441.14-18,547.34-7,471.86

Finding the Fourth Proportional to 13,441.14, 18,547.34 and 7,471.86

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Solution

The fourth proportional to 13,441.14, 18,547.34 and 7,471.86 is: 10,310.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.14 : 18,547.34 = 7,471.86 : x
  2. Step 2: Convert to fraction form
    13,441.14/18,547.34 = 7,471.86/x
  3. Step 3: Cross multiply
    13,441.14x = 18,547.34 × 7,471.86
  4. Step 4: Simplify right side
    13,441.14x = 138,583,127.85
  5. Step 5: Solve for x
    x = 138,583,127.85/13,441.14
  6. Step 6: Final answer
    x = 10,310.37

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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.