Home / 15,536.23-21,439.96-8,462.64

Finding the Fourth Proportional to 15,536.23, 21,439.96 and 8,462.64

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Solution

The fourth proportional to 15,536.23, 21,439.96 and 8,462.64 is: 11,678.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.23 : 21,439.96 = 8,462.64 : x
  2. Step 2: Convert to fraction form
    15,536.23/21,439.96 = 8,462.64/x
  3. Step 3: Cross multiply
    15,536.23x = 21,439.96 × 8,462.64
  4. Step 4: Simplify right side
    15,536.23x = 181,438,663.09
  5. Step 5: Solve for x
    x = 181,438,663.09/15,536.23
  6. Step 6: Final answer
    x = 11,678.42

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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.