Home / 18,606.02-25,669.85-11,895.57

Finding the Fourth Proportional to 18,606.02, 25,669.85 and 11,895.57

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Solution

The fourth proportional to 18,606.02, 25,669.85 and 11,895.57 is: 16,411.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.02 : 25,669.85 = 11,895.57 : x
  2. Step 2: Convert to fraction form
    18,606.02/25,669.85 = 11,895.57/x
  3. Step 3: Cross multiply
    18,606.02x = 25,669.85 × 11,895.57
  4. Step 4: Simplify right side
    18,606.02x = 305,357,438.09
  5. Step 5: Solve for x
    x = 305,357,438.09/18,606.02
  6. Step 6: Final answer
    x = 16,411.76

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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.