Home / 18,355.08-25,283.70-14,808.36

Finding the Fourth Proportional to 18,355.08, 25,283.70 and 14,808.36

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Solution

The fourth proportional to 18,355.08, 25,283.70 and 14,808.36 is: 20,398.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355.08 : 25,283.70 = 14,808.36 : x
  2. Step 2: Convert to fraction form
    18,355.08/25,283.70 = 14,808.36/x
  3. Step 3: Cross multiply
    18,355.08x = 25,283.70 × 14,808.36
  4. Step 4: Simplify right side
    18,355.08x = 374,410,131.73
  5. Step 5: Solve for x
    x = 374,410,131.73/18,355.08
  6. Step 6: Final answer
    x = 20,398.17

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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.