Home / 18,305.06-25,260.89-10,347.30

Finding the Fourth Proportional to 18,305.06, 25,260.89 and 10,347.30

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Solution

The fourth proportional to 18,305.06, 25,260.89 and 10,347.30 is: 14,279.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,305.06 : 25,260.89 = 10,347.30 : x
  2. Step 2: Convert to fraction form
    18,305.06/25,260.89 = 10,347.30/x
  3. Step 3: Cross multiply
    18,305.06x = 25,260.89 × 10,347.30
  4. Step 4: Simplify right side
    18,305.06x = 261,381,955.36
  5. Step 5: Solve for x
    x = 261,381,955.36/18,305.06
  6. Step 6: Final answer
    x = 14,279.22

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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.