Home / 10,555.26-14,632.87-9,993.48

Finding the Fourth Proportional to 10,555.26, 14,632.87 and 9,993.48

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Solution

The fourth proportional to 10,555.26, 14,632.87 and 9,993.48 is: 13,854.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.26 : 14,632.87 = 9,993.48 : x
  2. Step 2: Convert to fraction form
    10,555.26/14,632.87 = 9,993.48/x
  3. Step 3: Cross multiply
    10,555.26x = 14,632.87 × 9,993.48
  4. Step 4: Simplify right side
    10,555.26x = 146,233,293.69
  5. Step 5: Solve for x
    x = 146,233,293.69/10,555.26
  6. Step 6: Final answer
    x = 13,854.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.