Home / 15,624.48-21,560.88-8,551.04

Finding the Fourth Proportional to 15,624.48, 21,560.88 and 8,551.04

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Solution

The fourth proportional to 15,624.48, 21,560.88 and 8,551.04 is: 11,799.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,624.48 : 21,560.88 = 8,551.04 : x
  2. Step 2: Convert to fraction form
    15,624.48/21,560.88 = 8,551.04/x
  3. Step 3: Cross multiply
    15,624.48x = 21,560.88 × 8,551.04
  4. Step 4: Simplify right side
    15,624.48x = 184,367,947.32
  5. Step 5: Solve for x
    x = 184,367,947.32/15,624.48
  6. Step 6: Final answer
    x = 11,799.94

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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.