Home / 19,404.70-29,057.55-12,810.76

Finding the Fourth Proportional to 19,404.70, 29,057.55 and 12,810.76

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Solution

The fourth proportional to 19,404.70, 29,057.55 and 12,810.76 is: 19,183.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,404.70 : 29,057.55 = 12,810.76 : x
  2. Step 2: Convert to fraction form
    19,404.70/29,057.55 = 12,810.76/x
  3. Step 3: Cross multiply
    19,404.70x = 29,057.55 × 12,810.76
  4. Step 4: Simplify right side
    19,404.70x = 372,249,299.24
  5. Step 5: Solve for x
    x = 372,249,299.24/19,404.70
  6. Step 6: Final answer
    x = 19,183.46

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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.