Home / 18,305.50-25,263.58-10,242.08

Finding the Fourth Proportional to 18,305.50, 25,263.58 and 10,242.08

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Solution

The fourth proportional to 18,305.50, 25,263.58 and 10,242.08 is: 14,135.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,305.50 : 25,263.58 = 10,242.08 : x
  2. Step 2: Convert to fraction form
    18,305.50/25,263.58 = 10,242.08/x
  3. Step 3: Cross multiply
    18,305.50x = 25,263.58 × 10,242.08
  4. Step 4: Simplify right side
    18,305.50x = 258,751,607.45
  5. Step 5: Solve for x
    x = 258,751,607.45/18,305.50
  6. Step 6: Final answer
    x = 14,135.18

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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.