Home / 22,840.86-31,561.47-17,817.78

Finding the Fourth Proportional to 22,840.86, 31,561.47 and 17,817.78

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Solution

The fourth proportional to 22,840.86, 31,561.47 and 17,817.78 is: 24,620.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,840.86 : 31,561.47 = 17,817.78 : x
  2. Step 2: Convert to fraction form
    22,840.86/31,561.47 = 17,817.78/x
  3. Step 3: Cross multiply
    22,840.86x = 31,561.47 × 17,817.78
  4. Step 4: Simplify right side
    22,840.86x = 562,355,328.94
  5. Step 5: Solve for x
    x = 562,355,328.94/22,840.86
  6. Step 6: Final answer
    x = 24,620.58

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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.