Home / 15,624.37-21,561.60-8,550.91

Finding the Fourth Proportional to 15,624.37, 21,561.60 and 8,550.91

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Solution

The fourth proportional to 15,624.37, 21,561.60 and 8,550.91 is: 11,800.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,624.37 : 21,561.60 = 8,550.91 : x
  2. Step 2: Convert to fraction form
    15,624.37/21,561.60 = 8,550.91/x
  3. Step 3: Cross multiply
    15,624.37x = 21,561.60 × 8,550.91
  4. Step 4: Simplify right side
    15,624.37x = 184,371,301.06
  5. Step 5: Solve for x
    x = 184,371,301.06/15,624.37
  6. Step 6: Final answer
    x = 11,800.24

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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.