Home / 15,056.82-20,757.96-10,021.32

Finding the Fourth Proportional to 15,056.82, 20,757.96 and 10,021.32

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Solution

The fourth proportional to 15,056.82, 20,757.96 and 10,021.32 is: 13,815.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,056.82 : 20,757.96 = 10,021.32 : x
  2. Step 2: Convert to fraction form
    15,056.82/20,757.96 = 10,021.32/x
  3. Step 3: Cross multiply
    15,056.82x = 20,757.96 × 10,021.32
  4. Step 4: Simplify right side
    15,056.82x = 208,022,159.71
  5. Step 5: Solve for x
    x = 208,022,159.71/15,056.82
  6. Step 6: Final answer
    x = 13,815.81

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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.