Home / 19,347.45-29,021.18-15,476.46

Finding the Fourth Proportional to 19,347.45, 29,021.18 and 15,476.46

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Solution

The fourth proportional to 19,347.45, 29,021.18 and 15,476.46 is: 23,214.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,347.45 : 29,021.18 = 15,476.46 : x
  2. Step 2: Convert to fraction form
    19,347.45/29,021.18 = 15,476.46/x
  3. Step 3: Cross multiply
    19,347.45x = 29,021.18 × 15,476.46
  4. Step 4: Simplify right side
    19,347.45x = 449,145,131.42
  5. Step 5: Solve for x
    x = 449,145,131.42/19,347.45
  6. Step 6: Final answer
    x = 23,214.69

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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.