Home / 22,485.06-31,033.67-13,412.66

Finding the Fourth Proportional to 22,485.06, 31,033.67 and 13,412.66

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Solution

The fourth proportional to 22,485.06, 31,033.67 and 13,412.66 is: 18,512.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,485.06 : 31,033.67 = 13,412.66 : x
  2. Step 2: Convert to fraction form
    22,485.06/31,033.67 = 13,412.66/x
  3. Step 3: Cross multiply
    22,485.06x = 31,033.67 × 13,412.66
  4. Step 4: Simplify right side
    22,485.06x = 416,243,842.03
  5. Step 5: Solve for x
    x = 416,243,842.03/22,485.06
  6. Step 6: Final answer
    x = 18,512.02

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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.