Home / 15,624.98-21,562.48-8,551.44

Finding the Fourth Proportional to 15,624.98, 21,562.48 and 8,551.44

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Solution

The fourth proportional to 15,624.98, 21,562.48 and 8,551.44 is: 11,800.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,624.98 : 21,562.48 = 8,551.44 : x
  2. Step 2: Convert to fraction form
    15,624.98/21,562.48 = 8,551.44/x
  3. Step 3: Cross multiply
    15,624.98x = 21,562.48 × 8,551.44
  4. Step 4: Simplify right side
    15,624.98x = 184,390,253.97
  5. Step 5: Solve for x
    x = 184,390,253.97/15,624.98
  6. Step 6: Final answer
    x = 11,800.99

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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.