Home / 22,790.04-31,451.94-13,840.08

Finding the Fourth Proportional to 22,790.04, 31,451.94 and 13,840.08

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Solution

The fourth proportional to 22,790.04, 31,451.94 and 13,840.08 is: 19,100.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,790.04 : 31,451.94 = 13,840.08 : x
  2. Step 2: Convert to fraction form
    22,790.04/31,451.94 = 13,840.08/x
  3. Step 3: Cross multiply
    22,790.04x = 31,451.94 × 13,840.08
  4. Step 4: Simplify right side
    22,790.04x = 435,297,365.76
  5. Step 5: Solve for x
    x = 435,297,365.76/22,790.04
  6. Step 6: Final answer
    x = 19,100.33

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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.