Home / 19,603.20-29,355.53-15,223.71

Finding the Fourth Proportional to 19,603.20, 29,355.53 and 15,223.71

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Solution

The fourth proportional to 19,603.20, 29,355.53 and 15,223.71 is: 22,797.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.20 : 29,355.53 = 15,223.71 : x
  2. Step 2: Convert to fraction form
    19,603.20/29,355.53 = 15,223.71/x
  3. Step 3: Cross multiply
    19,603.20x = 29,355.53 × 15,223.71
  4. Step 4: Simplify right side
    19,603.20x = 446,899,999.50
  5. Step 5: Solve for x
    x = 446,899,999.50/19,603.20
  6. Step 6: Final answer
    x = 22,797.30

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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.