Home / 13,936.04-19,232-7,648.48

Finding the Fourth Proportional to 13,936.04, 19,232 and 7,648.48

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Solution

The fourth proportional to 13,936.04, 19,232 and 7,648.48 is: 10,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.04 : 19,232 = 7,648.48 : x
  2. Step 2: Convert to fraction form
    13,936.04/19,232 = 7,648.48/x
  3. Step 3: Cross multiply
    13,936.04x = 19,232 × 7,648.48
  4. Step 4: Simplify right side
    13,936.04x = 147,095,567.36
  5. Step 5: Solve for x
    x = 147,095,567.36/13,936.04
  6. Step 6: Final answer
    x = 10,555.05

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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.