Home / 15,448.57-21,322.86-10,150.57

Finding the Fourth Proportional to 15,448.57, 21,322.86 and 10,150.57

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Solution

The fourth proportional to 15,448.57, 21,322.86 and 10,150.57 is: 14,010.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,448.57 : 21,322.86 = 10,150.57 : x
  2. Step 2: Convert to fraction form
    15,448.57/21,322.86 = 10,150.57/x
  3. Step 3: Cross multiply
    15,448.57x = 21,322.86 × 10,150.57
  4. Step 4: Simplify right side
    15,448.57x = 216,439,183.03
  5. Step 5: Solve for x
    x = 216,439,183.03/15,448.57
  6. Step 6: Final answer
    x = 14,010.31

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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.