Home / 19,495.65-26,872.25-15,239.19

Finding the Fourth Proportional to 19,495.65, 26,872.25 and 15,239.19

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Solution

The fourth proportional to 19,495.65, 26,872.25 and 15,239.19 is: 21,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,495.65 : 26,872.25 = 15,239.19 : x
  2. Step 2: Convert to fraction form
    19,495.65/26,872.25 = 15,239.19/x
  3. Step 3: Cross multiply
    19,495.65x = 26,872.25 × 15,239.19
  4. Step 4: Simplify right side
    19,495.65x = 409,511,428.76
  5. Step 5: Solve for x
    x = 409,511,428.76/19,495.65
  6. Step 6: Final answer
    x = 21,005.28

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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.