Home / 15,279.44-23,023.26-12,566.86

Finding the Fourth Proportional to 15,279.44, 23,023.26 and 12,566.86

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Solution

The fourth proportional to 15,279.44, 23,023.26 and 12,566.86 is: 18,935.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279.44 : 23,023.26 = 12,566.86 : x
  2. Step 2: Convert to fraction form
    15,279.44/23,023.26 = 12,566.86/x
  3. Step 3: Cross multiply
    15,279.44x = 23,023.26 × 12,566.86
  4. Step 4: Simplify right side
    15,279.44x = 289,330,085.16
  5. Step 5: Solve for x
    x = 289,330,085.16/15,279.44
  6. Step 6: Final answer
    x = 18,935.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.