Home / 13,999.86-19,338.21-10,456.92

Finding the Fourth Proportional to 13,999.86, 19,338.21 and 10,456.92

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Solution

The fourth proportional to 13,999.86, 19,338.21 and 10,456.92 is: 14,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.86 : 19,338.21 = 10,456.92 : x
  2. Step 2: Convert to fraction form
    13,999.86/19,338.21 = 10,456.92/x
  3. Step 3: Cross multiply
    13,999.86x = 19,338.21 × 10,456.92
  4. Step 4: Simplify right side
    13,999.86x = 202,218,114.91
  5. Step 5: Solve for x
    x = 202,218,114.91/13,999.86
  6. Step 6: Final answer
    x = 14,444.30

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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.