Home / 23,020.22-31,762.58-13,590.20

Finding the Fourth Proportional to 23,020.22, 31,762.58 and 13,590.20

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Solution

The fourth proportional to 23,020.22, 31,762.58 and 13,590.20 is: 18,751.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,020.22 : 31,762.58 = 13,590.20 : x
  2. Step 2: Convert to fraction form
    23,020.22/31,762.58 = 13,590.20/x
  3. Step 3: Cross multiply
    23,020.22x = 31,762.58 × 13,590.20
  4. Step 4: Simplify right side
    23,020.22x = 431,659,814.72
  5. Step 5: Solve for x
    x = 431,659,814.72/23,020.22
  6. Step 6: Final answer
    x = 18,751.33

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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.