Home / 22,829.58-31,505.18-12,758.66

Finding the Fourth Proportional to 22,829.58, 31,505.18 and 12,758.66

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Solution

The fourth proportional to 22,829.58, 31,505.18 and 12,758.66 is: 17,607.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,829.58 : 31,505.18 = 12,758.66 : x
  2. Step 2: Convert to fraction form
    22,829.58/31,505.18 = 12,758.66/x
  3. Step 3: Cross multiply
    22,829.58x = 31,505.18 × 12,758.66
  4. Step 4: Simplify right side
    22,829.58x = 401,963,879.86
  5. Step 5: Solve for x
    x = 401,963,879.86/22,829.58
  6. Step 6: Final answer
    x = 17,607.15

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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.