Home / 18,497.35-25,545-11,786.10

Finding the Fourth Proportional to 18,497.35, 25,545 and 11,786.10

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Solution

The fourth proportional to 18,497.35, 25,545 and 11,786.10 is: 16,276.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.35 : 25,545 = 11,786.10 : x
  2. Step 2: Convert to fraction form
    18,497.35/25,545 = 11,786.10/x
  3. Step 3: Cross multiply
    18,497.35x = 25,545 × 11,786.10
  4. Step 4: Simplify right side
    18,497.35x = 301,075,924.50
  5. Step 5: Solve for x
    x = 301,075,924.50/18,497.35
  6. Step 6: Final answer
    x = 16,276.71

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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.