Home / 12,623.85-18,895.78-7,060.37

Finding the Fourth Proportional to 12,623.85, 18,895.78 and 7,060.37

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Solution

The fourth proportional to 12,623.85, 18,895.78 and 7,060.37 is: 10,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.85 : 18,895.78 = 7,060.37 : x
  2. Step 2: Convert to fraction form
    12,623.85/18,895.78 = 7,060.37/x
  3. Step 3: Cross multiply
    12,623.85x = 18,895.78 × 7,060.37
  4. Step 4: Simplify right side
    12,623.85x = 133,411,112.59
  5. Step 5: Solve for x
    x = 133,411,112.59/12,623.85
  6. Step 6: Final answer
    x = 10,568.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.