Home / 13,994.19-19,312.24-7,620.97

Finding the Fourth Proportional to 13,994.19, 19,312.24 and 7,620.97

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Solution

The fourth proportional to 13,994.19, 19,312.24 and 7,620.97 is: 10,517.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.19 : 19,312.24 = 7,620.97 : x
  2. Step 2: Convert to fraction form
    13,994.19/19,312.24 = 7,620.97/x
  3. Step 3: Cross multiply
    13,994.19x = 19,312.24 × 7,620.97
  4. Step 4: Simplify right side
    13,994.19x = 147,178,001.67
  5. Step 5: Solve for x
    x = 147,178,001.67/13,994.19
  6. Step 6: Final answer
    x = 10,517.08

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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.