Home / 23,020.54-31,763.52-13,583.64

Finding the Fourth Proportional to 23,020.54, 31,763.52 and 13,583.64

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Solution

The fourth proportional to 23,020.54, 31,763.52 and 13,583.64 is: 18,742.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,020.54 : 31,763.52 = 13,583.64 : x
  2. Step 2: Convert to fraction form
    23,020.54/31,763.52 = 13,583.64/x
  3. Step 3: Cross multiply
    23,020.54x = 31,763.52 × 13,583.64
  4. Step 4: Simplify right side
    23,020.54x = 431,464,220.81
  5. Step 5: Solve for x
    x = 431,464,220.81/23,020.54
  6. Step 6: Final answer
    x = 18,742.58

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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.