Home / 22,704.54-31,336.02-13,271.28

Finding the Fourth Proportional to 22,704.54, 31,336.02 and 13,271.28

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Solution

The fourth proportional to 22,704.54, 31,336.02 and 13,271.28 is: 18,316.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,704.54 : 31,336.02 = 13,271.28 : x
  2. Step 2: Convert to fraction form
    22,704.54/31,336.02 = 13,271.28/x
  3. Step 3: Cross multiply
    22,704.54x = 31,336.02 × 13,271.28
  4. Step 4: Simplify right side
    22,704.54x = 415,869,095.51
  5. Step 5: Solve for x
    x = 415,869,095.51/22,704.54
  6. Step 6: Final answer
    x = 18,316.56

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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.