Home / 15,514.29-23,260.10-4,978.31

Finding the Fourth Proportional to 15,514.29, 23,260.10 and 4,978.31

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Solution

The fourth proportional to 15,514.29, 23,260.10 and 4,978.31 is: 7,463.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,514.29 : 23,260.10 = 4,978.31 : x
  2. Step 2: Convert to fraction form
    15,514.29/23,260.10 = 4,978.31/x
  3. Step 3: Cross multiply
    15,514.29x = 23,260.10 × 4,978.31
  4. Step 4: Simplify right side
    15,514.29x = 115,795,847.24
  5. Step 5: Solve for x
    x = 115,795,847.24/15,514.29
  6. Step 6: Final answer
    x = 7,463.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.