Home / 12,436.94-18,655.60-6,925.31

Finding the Fourth Proportional to 12,436.94, 18,655.60 and 6,925.31

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Solution

The fourth proportional to 12,436.94, 18,655.60 and 6,925.31 is: 10,388.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.94 : 18,655.60 = 6,925.31 : x
  2. Step 2: Convert to fraction form
    12,436.94/18,655.60 = 6,925.31/x
  3. Step 3: Cross multiply
    12,436.94x = 18,655.60 × 6,925.31
  4. Step 4: Simplify right side
    12,436.94x = 129,195,813.24
  5. Step 5: Solve for x
    x = 129,195,813.24/12,436.94
  6. Step 6: Final answer
    x = 10,388.07

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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.