Home / 19,057.50-28,603.80-9,704.21

Finding the Fourth Proportional to 19,057.50, 28,603.80 and 9,704.21

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Solution

The fourth proportional to 19,057.50, 28,603.80 and 9,704.21 is: 14,565.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,057.50 : 28,603.80 = 9,704.21 : x
  2. Step 2: Convert to fraction form
    19,057.50/28,603.80 = 9,704.21/x
  3. Step 3: Cross multiply
    19,057.50x = 28,603.80 × 9,704.21
  4. Step 4: Simplify right side
    19,057.50x = 277,577,138.98
  5. Step 5: Solve for x
    x = 277,577,138.98/19,057.50
  6. Step 6: Final answer
    x = 14,565.24

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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.