Home / 15,624.78-21,562.25-8,551.26

Finding the Fourth Proportional to 15,624.78, 21,562.25 and 8,551.26

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Solution

The fourth proportional to 15,624.78, 21,562.25 and 8,551.26 is: 11,800.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,624.78 : 21,562.25 = 8,551.26 : x
  2. Step 2: Convert to fraction form
    15,624.78/21,562.25 = 8,551.26/x
  3. Step 3: Cross multiply
    15,624.78x = 21,562.25 × 8,551.26
  4. Step 4: Simplify right side
    15,624.78x = 184,384,363.18
  5. Step 5: Solve for x
    x = 184,384,363.18/15,624.78
  6. Step 6: Final answer
    x = 11,800.77

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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.