Home / 14,089.10-21,125.55-4,226.90

Finding the Fourth Proportional to 14,089.10, 21,125.55 and 4,226.90

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Solution

The fourth proportional to 14,089.10, 21,125.55 and 4,226.90 is: 6,337.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.10 : 21,125.55 = 4,226.90 : x
  2. Step 2: Convert to fraction form
    14,089.10/21,125.55 = 4,226.90/x
  3. Step 3: Cross multiply
    14,089.10x = 21,125.55 × 4,226.90
  4. Step 4: Simplify right side
    14,089.10x = 89,295,587.30
  5. Step 5: Solve for x
    x = 89,295,587.30/14,089.10
  6. Step 6: Final answer
    x = 6,337.92

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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.