Home / 13,952.16-19,231.81-10,962.85

Finding the Fourth Proportional to 13,952.16, 19,231.81 and 10,962.85

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Solution

The fourth proportional to 13,952.16, 19,231.81 and 10,962.85 is: 15,111.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.16 : 19,231.81 = 10,962.85 : x
  2. Step 2: Convert to fraction form
    13,952.16/19,231.81 = 10,962.85/x
  3. Step 3: Cross multiply
    13,952.16x = 19,231.81 × 10,962.85
  4. Step 4: Simplify right side
    13,952.16x = 210,835,448.26
  5. Step 5: Solve for x
    x = 210,835,448.26/13,952.16
  6. Step 6: Final answer
    x = 15,111.31

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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.