Home / 15,370.24-21,185.44-10,888.24

Finding the Fourth Proportional to 15,370.24, 21,185.44 and 10,888.24

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Solution

The fourth proportional to 15,370.24, 21,185.44 and 10,888.24 is: 15,007.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,370.24 : 21,185.44 = 10,888.24 : x
  2. Step 2: Convert to fraction form
    15,370.24/21,185.44 = 10,888.24/x
  3. Step 3: Cross multiply
    15,370.24x = 21,185.44 × 10,888.24
  4. Step 4: Simplify right side
    15,370.24x = 230,672,155.23
  5. Step 5: Solve for x
    x = 230,672,155.23/15,370.24
  6. Step 6: Final answer
    x = 15,007.71

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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.