Home / 18,590.11-25,664.34-14,331.84

Finding the Fourth Proportional to 18,590.11, 25,664.34 and 14,331.84

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Solution

The fourth proportional to 18,590.11, 25,664.34 and 14,331.84 is: 19,785.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.11 : 25,664.34 = 14,331.84 : x
  2. Step 2: Convert to fraction form
    18,590.11/25,664.34 = 14,331.84/x
  3. Step 3: Cross multiply
    18,590.11x = 25,664.34 × 14,331.84
  4. Step 4: Simplify right side
    18,590.11x = 367,817,172.09
  5. Step 5: Solve for x
    x = 367,817,172.09/18,590.11
  6. Step 6: Final answer
    x = 19,785.64

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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.