Home / 17,222.48-25,783.53-12,799.77

Finding the Fourth Proportional to 17,222.48, 25,783.53 and 12,799.77

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Solution

The fourth proportional to 17,222.48, 25,783.53 and 12,799.77 is: 19,162.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,222.48 : 25,783.53 = 12,799.77 : x
  2. Step 2: Convert to fraction form
    17,222.48/25,783.53 = 12,799.77/x
  3. Step 3: Cross multiply
    17,222.48x = 25,783.53 × 12,799.77
  4. Step 4: Simplify right side
    17,222.48x = 330,023,253.79
  5. Step 5: Solve for x
    x = 330,023,253.79/17,222.48
  6. Step 6: Final answer
    x = 19,162.36

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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.