Home / 13,441.04-18,546.54-7,472.69

Finding the Fourth Proportional to 13,441.04, 18,546.54 and 7,472.69

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Solution

The fourth proportional to 13,441.04, 18,546.54 and 7,472.69 is: 10,311.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.04 : 18,546.54 = 7,472.69 : x
  2. Step 2: Convert to fraction form
    13,441.04/18,546.54 = 7,472.69/x
  3. Step 3: Cross multiply
    13,441.04x = 18,546.54 × 7,472.69
  4. Step 4: Simplify right side
    13,441.04x = 138,592,543.99
  5. Step 5: Solve for x
    x = 138,592,543.99/13,441.04
  6. Step 6: Final answer
    x = 10,311.15

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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.