Home / 15,058.37-20,779.94-8,344.28

Finding the Fourth Proportional to 15,058.37, 20,779.94 and 8,344.28

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Solution

The fourth proportional to 15,058.37, 20,779.94 and 8,344.28 is: 11,514.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,058.37 : 20,779.94 = 8,344.28 : x
  2. Step 2: Convert to fraction form
    15,058.37/20,779.94 = 8,344.28/x
  3. Step 3: Cross multiply
    15,058.37x = 20,779.94 × 8,344.28
  4. Step 4: Simplify right side
    15,058.37x = 173,393,710.55
  5. Step 5: Solve for x
    x = 173,393,710.55/15,058.37
  6. Step 6: Final answer
    x = 11,514.77

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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.