Home / 14,196.20-19,586.81-9,160.64

Finding the Fourth Proportional to 14,196.20, 19,586.81 and 9,160.64

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Solution

The fourth proportional to 14,196.20, 19,586.81 and 9,160.64 is: 12,639.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,196.20 : 19,586.81 = 9,160.64 : x
  2. Step 2: Convert to fraction form
    14,196.20/19,586.81 = 9,160.64/x
  3. Step 3: Cross multiply
    14,196.20x = 19,586.81 × 9,160.64
  4. Step 4: Simplify right side
    14,196.20x = 179,427,571.42
  5. Step 5: Solve for x
    x = 179,427,571.42/14,196.20
  6. Step 6: Final answer
    x = 12,639.13

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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.