Home / 19,276.44-26,590.86-13,311.24

Finding the Fourth Proportional to 19,276.44, 26,590.86 and 13,311.24

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Solution

The fourth proportional to 19,276.44, 26,590.86 and 13,311.24 is: 18,362.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.44 : 26,590.86 = 13,311.24 : x
  2. Step 2: Convert to fraction form
    19,276.44/26,590.86 = 13,311.24/x
  3. Step 3: Cross multiply
    19,276.44x = 26,590.86 × 13,311.24
  4. Step 4: Simplify right side
    19,276.44x = 353,957,319.27
  5. Step 5: Solve for x
    x = 353,957,319.27/19,276.44
  6. Step 6: Final answer
    x = 18,362.17

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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.