Home / 13,898.72-19,175.44-7,926.08

Finding the Fourth Proportional to 13,898.72, 19,175.44 and 7,926.08

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Solution

The fourth proportional to 13,898.72, 19,175.44 and 7,926.08 is: 10,935.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.72 : 19,175.44 = 7,926.08 : x
  2. Step 2: Convert to fraction form
    13,898.72/19,175.44 = 7,926.08/x
  3. Step 3: Cross multiply
    13,898.72x = 19,175.44 × 7,926.08
  4. Step 4: Simplify right side
    13,898.72x = 151,986,071.48
  5. Step 5: Solve for x
    x = 151,986,071.48/13,898.72
  6. Step 6: Final answer
    x = 10,935.26

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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.