Home / 13,903.07-19,187.58-7,935.62

Finding the Fourth Proportional to 13,903.07, 19,187.58 and 7,935.62

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Solution

The fourth proportional to 13,903.07, 19,187.58 and 7,935.62 is: 10,951.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.07 : 19,187.58 = 7,935.62 : x
  2. Step 2: Convert to fraction form
    13,903.07/19,187.58 = 7,935.62/x
  3. Step 3: Cross multiply
    13,903.07x = 19,187.58 × 7,935.62
  4. Step 4: Simplify right side
    13,903.07x = 152,265,247.66
  5. Step 5: Solve for x
    x = 152,265,247.66/13,903.07
  6. Step 6: Final answer
    x = 10,951.92

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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.