Home / 13,811.45-19,059.81-7,523.82

Finding the Fourth Proportional to 13,811.45, 19,059.81 and 7,523.82

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Solution

The fourth proportional to 13,811.45, 19,059.81 and 7,523.82 is: 10,382.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,811.45 : 19,059.81 = 7,523.82 : x
  2. Step 2: Convert to fraction form
    13,811.45/19,059.81 = 7,523.82/x
  3. Step 3: Cross multiply
    13,811.45x = 19,059.81 × 7,523.82
  4. Step 4: Simplify right side
    13,811.45x = 143,402,551.46
  5. Step 5: Solve for x
    x = 143,402,551.46/13,811.45
  6. Step 6: Final answer
    x = 10,382.88

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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.