Home / 19,576.20-29,315.70-15,688.20

Finding the Fourth Proportional to 19,576.20, 29,315.70 and 15,688.20

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Solution

The fourth proportional to 19,576.20, 29,315.70 and 15,688.20 is: 23,493.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,576.20 : 29,315.70 = 15,688.20 : x
  2. Step 2: Convert to fraction form
    19,576.20/29,315.70 = 15,688.20/x
  3. Step 3: Cross multiply
    19,576.20x = 29,315.70 × 15,688.20
  4. Step 4: Simplify right side
    19,576.20x = 459,910,564.74
  5. Step 5: Solve for x
    x = 459,910,564.74/19,576.20
  6. Step 6: Final answer
    x = 23,493.35

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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.