Home / 13,865.04-19,135.56-7,895.52

Finding the Fourth Proportional to 13,865.04, 19,135.56 and 7,895.52

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Solution

The fourth proportional to 13,865.04, 19,135.56 and 7,895.52 is: 10,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,865.04 : 19,135.56 = 7,895.52 : x
  2. Step 2: Convert to fraction form
    13,865.04/19,135.56 = 7,895.52/x
  3. Step 3: Cross multiply
    13,865.04x = 19,135.56 × 7,895.52
  4. Step 4: Simplify right side
    13,865.04x = 151,085,196.69
  5. Step 5: Solve for x
    x = 151,085,196.69/13,865.04
  6. Step 6: Final answer
    x = 10,896.85

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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.