Home / 23,055.24-31,803.66-20,065.80

Finding the Fourth Proportional to 23,055.24, 31,803.66 and 20,065.80

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Solution

The fourth proportional to 23,055.24, 31,803.66 and 20,065.80 is: 27,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,055.24 : 31,803.66 = 20,065.80 : x
  2. Step 2: Convert to fraction form
    23,055.24/31,803.66 = 20,065.80/x
  3. Step 3: Cross multiply
    23,055.24x = 31,803.66 × 20,065.80
  4. Step 4: Simplify right side
    23,055.24x = 638,165,880.83
  5. Step 5: Solve for x
    x = 638,165,880.83/23,055.24
  6. Step 6: Final answer
    x = 27,679.86

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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.