Home / 13,949.87-19,252.01-7,901.19

Finding the Fourth Proportional to 13,949.87, 19,252.01 and 7,901.19

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Solution

The fourth proportional to 13,949.87, 19,252.01 and 7,901.19 is: 10,904.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.87 : 19,252.01 = 7,901.19 : x
  2. Step 2: Convert to fraction form
    13,949.87/19,252.01 = 7,901.19/x
  3. Step 3: Cross multiply
    13,949.87x = 19,252.01 × 7,901.19
  4. Step 4: Simplify right side
    13,949.87x = 152,113,653.13
  5. Step 5: Solve for x
    x = 152,113,653.13/13,949.87
  6. Step 6: Final answer
    x = 10,904.31

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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.