Home / 15,003.88-20,706.26-10,756.24

Finding the Fourth Proportional to 15,003.88, 20,706.26 and 10,756.24

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Solution

The fourth proportional to 15,003.88, 20,706.26 and 10,756.24 is: 14,844.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,003.88 : 20,706.26 = 10,756.24 : x
  2. Step 2: Convert to fraction form
    15,003.88/20,706.26 = 10,756.24/x
  3. Step 3: Cross multiply
    15,003.88x = 20,706.26 × 10,756.24
  4. Step 4: Simplify right side
    15,003.88x = 222,721,502.06
  5. Step 5: Solve for x
    x = 222,721,502.06/15,003.88
  6. Step 6: Final answer
    x = 14,844.26

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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.