Home / 13,912.10-19,198.59-7,624.46

Finding the Fourth Proportional to 13,912.10, 19,198.59 and 7,624.46

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Solution

The fourth proportional to 13,912.10, 19,198.59 and 7,624.46 is: 10,521.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912.10 : 19,198.59 = 7,624.46 : x
  2. Step 2: Convert to fraction form
    13,912.10/19,198.59 = 7,624.46/x
  3. Step 3: Cross multiply
    13,912.10x = 19,198.59 × 7,624.46
  4. Step 4: Simplify right side
    13,912.10x = 146,378,881.51
  5. Step 5: Solve for x
    x = 146,378,881.51/13,912.10
  6. Step 6: Final answer
    x = 10,521.70

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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.