Home / 19,038.98-28,565.22-8,508.03

Finding the Fourth Proportional to 19,038.98, 28,565.22 and 8,508.03

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Solution

The fourth proportional to 19,038.98, 28,565.22 and 8,508.03 is: 12,765.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.98 : 28,565.22 = 8,508.03 : x
  2. Step 2: Convert to fraction form
    19,038.98/28,565.22 = 8,508.03/x
  3. Step 3: Cross multiply
    19,038.98x = 28,565.22 × 8,508.03
  4. Step 4: Simplify right side
    19,038.98x = 243,033,748.72
  5. Step 5: Solve for x
    x = 243,033,748.72/19,038.98
  6. Step 6: Final answer
    x = 12,765.06

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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.