Home / 27,495.31-37,920.12-18,531.04

Finding the Fourth Proportional to 27,495.31, 37,920.12 and 18,531.04

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Solution

The fourth proportional to 27,495.31, 37,920.12 and 18,531.04 is: 25,557.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,495.31 : 37,920.12 = 18,531.04 : x
  2. Step 2: Convert to fraction form
    27,495.31/37,920.12 = 18,531.04/x
  3. Step 3: Cross multiply
    27,495.31x = 37,920.12 × 18,531.04
  4. Step 4: Simplify right side
    27,495.31x = 702,699,260.52
  5. Step 5: Solve for x
    x = 702,699,260.52/27,495.31
  6. Step 6: Final answer
    x = 25,557.06

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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.