Home / 26,844.86-40,239.60-19,430.93

Finding the Fourth Proportional to 26,844.86, 40,239.60 and 19,430.93

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Solution

The fourth proportional to 26,844.86, 40,239.60 and 19,430.93 is: 29,126.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,844.86 : 40,239.60 = 19,430.93 : x
  2. Step 2: Convert to fraction form
    26,844.86/40,239.60 = 19,430.93/x
  3. Step 3: Cross multiply
    26,844.86x = 40,239.60 × 19,430.93
  4. Step 4: Simplify right side
    26,844.86x = 781,892,649.63
  5. Step 5: Solve for x
    x = 781,892,649.63/26,844.86
  6. Step 6: Final answer
    x = 29,126.35

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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.