Home / 23,192.48-31,998-13,119.92

Finding the Fourth Proportional to 23,192.48, 31,998 and 13,119.92

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Solution

The fourth proportional to 23,192.48, 31,998 and 13,119.92 is: 18,101.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,192.48 : 31,998 = 13,119.92 : x
  2. Step 2: Convert to fraction form
    23,192.48/31,998 = 13,119.92/x
  3. Step 3: Cross multiply
    23,192.48x = 31,998 × 13,119.92
  4. Step 4: Simplify right side
    23,192.48x = 419,811,200.16
  5. Step 5: Solve for x
    x = 419,811,200.16/23,192.48
  6. Step 6: Final answer
    x = 18,101.18

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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.