Home / 16,935.50-25,409.94-12,261.40

Finding the Fourth Proportional to 16,935.50, 25,409.94 and 12,261.40

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Solution

The fourth proportional to 16,935.50, 25,409.94 and 12,261.40 is: 18,396.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,935.50 : 25,409.94 = 12,261.40 : x
  2. Step 2: Convert to fraction form
    16,935.50/25,409.94 = 12,261.40/x
  3. Step 3: Cross multiply
    16,935.50x = 25,409.94 × 12,261.40
  4. Step 4: Simplify right side
    16,935.50x = 311,561,328.81
  5. Step 5: Solve for x
    x = 311,561,328.81/16,935.50
  6. Step 6: Final answer
    x = 18,396.93

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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.