Home / 13,784.45-19,022.45-7,496.82

Finding the Fourth Proportional to 13,784.45, 19,022.45 and 7,496.82

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Solution

The fourth proportional to 13,784.45, 19,022.45 and 7,496.82 is: 10,345.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.45 : 19,022.45 = 7,496.82 : x
  2. Step 2: Convert to fraction form
    13,784.45/19,022.45 = 7,496.82/x
  3. Step 3: Cross multiply
    13,784.45x = 19,022.45 × 7,496.82
  4. Step 4: Simplify right side
    13,784.45x = 142,607,846.12
  5. Step 5: Solve for x
    x = 142,607,846.12/13,784.45
  6. Step 6: Final answer
    x = 10,345.56

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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.