Home / 13,994.86-19,331.32-10,451.92

Finding the Fourth Proportional to 13,994.86, 19,331.32 and 10,451.92

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Solution

The fourth proportional to 13,994.86, 19,331.32 and 10,451.92 is: 14,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.86 : 19,331.32 = 10,451.92 : x
  2. Step 2: Convert to fraction form
    13,994.86/19,331.32 = 10,451.92/x
  3. Step 3: Cross multiply
    13,994.86x = 19,331.32 × 10,451.92
  4. Step 4: Simplify right side
    13,994.86x = 202,049,410.13
  5. Step 5: Solve for x
    x = 202,049,410.13/13,994.86
  6. Step 6: Final answer
    x = 14,437.40

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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.