Home / 19,346.45-29,019.68-15,475.46

Finding the Fourth Proportional to 19,346.45, 29,019.68 and 15,475.46

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Solution

The fourth proportional to 19,346.45, 29,019.68 and 15,475.46 is: 23,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.45 : 29,019.68 = 15,475.46 : x
  2. Step 2: Convert to fraction form
    19,346.45/29,019.68 = 15,475.46/x
  3. Step 3: Cross multiply
    19,346.45x = 29,019.68 × 15,475.46
  4. Step 4: Simplify right side
    19,346.45x = 449,093,008.29
  5. Step 5: Solve for x
    x = 449,093,008.29/19,346.45
  6. Step 6: Final answer
    x = 23,213.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.