Home / 13,344.58-19,998.96-10,386.58

Finding the Fourth Proportional to 13,344.58, 19,998.96 and 10,386.58

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Solution

The fourth proportional to 13,344.58, 19,998.96 and 10,386.58 is: 15,565.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.58 : 19,998.96 = 10,386.58 : x
  2. Step 2: Convert to fraction form
    13,344.58/19,998.96 = 10,386.58/x
  3. Step 3: Cross multiply
    13,344.58x = 19,998.96 × 10,386.58
  4. Step 4: Simplify right side
    13,344.58x = 207,720,797.96
  5. Step 5: Solve for x
    x = 207,720,797.96/13,344.58
  6. Step 6: Final answer
    x = 15,565.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.