Home / 15,624.49-21,562.11-8,551.06

Finding the Fourth Proportional to 15,624.49, 21,562.11 and 8,551.06

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Solution

The fourth proportional to 15,624.49, 21,562.11 and 8,551.06 is: 11,800.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,624.49 : 21,562.11 = 8,551.06 : x
  2. Step 2: Convert to fraction form
    15,624.49/21,562.11 = 8,551.06/x
  3. Step 3: Cross multiply
    15,624.49x = 21,562.11 × 8,551.06
  4. Step 4: Simplify right side
    15,624.49x = 184,378,896.34
  5. Step 5: Solve for x
    x = 184,378,896.34/15,624.49
  6. Step 6: Final answer
    x = 11,800.63

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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.