Home / 15,624.75-21,562.17-8,551.35

Finding the Fourth Proportional to 15,624.75, 21,562.17 and 8,551.35

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Solution

The fourth proportional to 15,624.75, 21,562.17 and 8,551.35 is: 11,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,624.75 : 21,562.17 = 8,551.35 : x
  2. Step 2: Convert to fraction form
    15,624.75/21,562.17 = 8,551.35/x
  3. Step 3: Cross multiply
    15,624.75x = 21,562.17 × 8,551.35
  4. Step 4: Simplify right side
    15,624.75x = 184,385,662.43
  5. Step 5: Solve for x
    x = 184,385,662.43/15,624.75
  6. Step 6: Final answer
    x = 11,800.87

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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.