Home / 13,898.64-19,196.96-10,115.81

Finding the Fourth Proportional to 13,898.64, 19,196.96 and 10,115.81

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Solution

The fourth proportional to 13,898.64, 19,196.96 and 10,115.81 is: 13,972.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.64 : 19,196.96 = 10,115.81 : x
  2. Step 2: Convert to fraction form
    13,898.64/19,196.96 = 10,115.81/x
  3. Step 3: Cross multiply
    13,898.64x = 19,196.96 × 10,115.81
  4. Step 4: Simplify right side
    13,898.64x = 194,192,653.37
  5. Step 5: Solve for x
    x = 194,192,653.37/13,898.64
  6. Step 6: Final answer
    x = 13,972.06

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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.