Home / 19,550.89-29,330.44-8,459.16

Finding the Fourth Proportional to 19,550.89, 29,330.44 and 8,459.16

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Solution

The fourth proportional to 19,550.89, 29,330.44 and 8,459.16 is: 12,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.89 : 29,330.44 = 8,459.16 : x
  2. Step 2: Convert to fraction form
    19,550.89/29,330.44 = 8,459.16/x
  3. Step 3: Cross multiply
    19,550.89x = 29,330.44 × 8,459.16
  4. Step 4: Simplify right side
    19,550.89x = 248,110,811.50
  5. Step 5: Solve for x
    x = 248,110,811.50/19,550.89
  6. Step 6: Final answer
    x = 12,690.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.