Home / 17,731.85-24,469.95-9,774.21

Finding the Fourth Proportional to 17,731.85, 24,469.95 and 9,774.21

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Solution

The fourth proportional to 17,731.85, 24,469.95 and 9,774.21 is: 13,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731.85 : 24,469.95 = 9,774.21 : x
  2. Step 2: Convert to fraction form
    17,731.85/24,469.95 = 9,774.21/x
  3. Step 3: Cross multiply
    17,731.85x = 24,469.95 × 9,774.21
  4. Step 4: Simplify right side
    17,731.85x = 239,174,292.41
  5. Step 5: Solve for x
    x = 239,174,292.41/17,731.85
  6. Step 6: Final answer
    x = 13,488.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.