Home / 18,506.70-25,539.30-10,549.26

Finding the Fourth Proportional to 18,506.70, 25,539.30 and 10,549.26

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Solution

The fourth proportional to 18,506.70, 25,539.30 and 10,549.26 is: 14,558.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506.70 : 25,539.30 = 10,549.26 : x
  2. Step 2: Convert to fraction form
    18,506.70/25,539.30 = 10,549.26/x
  3. Step 3: Cross multiply
    18,506.70x = 25,539.30 × 10,549.26
  4. Step 4: Simplify right side
    18,506.70x = 269,420,715.92
  5. Step 5: Solve for x
    x = 269,420,715.92/18,506.70
  6. Step 6: Final answer
    x = 14,558.01

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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.