Home / 14,253.06-19,669.33-7,879.48

Finding the Fourth Proportional to 14,253.06, 19,669.33 and 7,879.48

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Solution

The fourth proportional to 14,253.06, 19,669.33 and 7,879.48 is: 10,873.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.06 : 19,669.33 = 7,879.48 : x
  2. Step 2: Convert to fraction form
    14,253.06/19,669.33 = 7,879.48/x
  3. Step 3: Cross multiply
    14,253.06x = 19,669.33 × 7,879.48
  4. Step 4: Simplify right side
    14,253.06x = 154,984,053.02
  5. Step 5: Solve for x
    x = 154,984,053.02/14,253.06
  6. Step 6: Final answer
    x = 10,873.74

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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.