Home / 21,726.86-32,590.55-6,935.70

Finding the Fourth Proportional to 21,726.86, 32,590.55 and 6,935.70

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Solution

The fourth proportional to 21,726.86, 32,590.55 and 6,935.70 is: 10,403.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726.86 : 32,590.55 = 6,935.70 : x
  2. Step 2: Convert to fraction form
    21,726.86/32,590.55 = 6,935.70/x
  3. Step 3: Cross multiply
    21,726.86x = 32,590.55 × 6,935.70
  4. Step 4: Simplify right side
    21,726.86x = 226,038,277.64
  5. Step 5: Solve for x
    x = 226,038,277.64/21,726.86
  6. Step 6: Final answer
    x = 10,403.63

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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.