Home / 19,495.69-26,872.45-15,239.23

Finding the Fourth Proportional to 19,495.69, 26,872.45 and 15,239.23

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Solution

The fourth proportional to 19,495.69, 26,872.45 and 15,239.23 is: 21,005.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,495.69 : 26,872.45 = 15,239.23 : x
  2. Step 2: Convert to fraction form
    19,495.69/26,872.45 = 15,239.23/x
  3. Step 3: Cross multiply
    19,495.69x = 26,872.45 × 15,239.23
  4. Step 4: Simplify right side
    19,495.69x = 409,515,446.21
  5. Step 5: Solve for x
    x = 409,515,446.21/19,495.69
  6. Step 6: Final answer
    x = 21,005.43

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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.