Home / 22,868.06-31,558.50-12,798.23

Finding the Fourth Proportional to 22,868.06, 31,558.50 and 12,798.23

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Solution

The fourth proportional to 22,868.06, 31,558.50 and 12,798.23 is: 17,661.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,868.06 : 31,558.50 = 12,798.23 : x
  2. Step 2: Convert to fraction form
    22,868.06/31,558.50 = 12,798.23/x
  3. Step 3: Cross multiply
    22,868.06x = 31,558.50 × 12,798.23
  4. Step 4: Simplify right side
    22,868.06x = 403,892,783.66
  5. Step 5: Solve for x
    x = 403,892,783.66/22,868.06
  6. Step 6: Final answer
    x = 17,661.88

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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.