Home / 14,191.36-19,583.76-7,904.32

Finding the Fourth Proportional to 14,191.36, 19,583.76 and 7,904.32

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Solution

The fourth proportional to 14,191.36, 19,583.76 and 7,904.32 is: 10,907.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.36 : 19,583.76 = 7,904.32 : x
  2. Step 2: Convert to fraction form
    14,191.36/19,583.76 = 7,904.32/x
  3. Step 3: Cross multiply
    14,191.36x = 19,583.76 × 7,904.32
  4. Step 4: Simplify right side
    14,191.36x = 154,796,305.84
  5. Step 5: Solve for x
    x = 154,796,305.84/14,191.36
  6. Step 6: Final answer
    x = 10,907.79

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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.