Home / 13,924.13-19,215.36-7,636.50

Finding the Fourth Proportional to 13,924.13, 19,215.36 and 7,636.50

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Solution

The fourth proportional to 13,924.13, 19,215.36 and 7,636.50 is: 10,538.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.13 : 19,215.36 = 7,636.50 : x
  2. Step 2: Convert to fraction form
    13,924.13/19,215.36 = 7,636.50/x
  3. Step 3: Cross multiply
    13,924.13x = 19,215.36 × 7,636.50
  4. Step 4: Simplify right side
    13,924.13x = 146,738,096.64
  5. Step 5: Solve for x
    x = 146,738,096.64/13,924.13
  6. Step 6: Final answer
    x = 10,538.41

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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.