Home / 22,818.42-31,500.81-14,332.86

Finding the Fourth Proportional to 22,818.42, 31,500.81 and 14,332.86

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Solution

The fourth proportional to 22,818.42, 31,500.81 and 14,332.86 is: 19,786.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,818.42 : 31,500.81 = 14,332.86 : x
  2. Step 2: Convert to fraction form
    22,818.42/31,500.81 = 14,332.86/x
  3. Step 3: Cross multiply
    22,818.42x = 31,500.81 × 14,332.86
  4. Step 4: Simplify right side
    22,818.42x = 451,496,699.62
  5. Step 5: Solve for x
    x = 451,496,699.62/22,818.42
  6. Step 6: Final answer
    x = 19,786.50

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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.