Home / 26,181.21-36,127.37-15,568.79

Finding the Fourth Proportional to 26,181.21, 36,127.37 and 15,568.79

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Solution

The fourth proportional to 26,181.21, 36,127.37 and 15,568.79 is: 21,483.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,181.21 : 36,127.37 = 15,568.79 : x
  2. Step 2: Convert to fraction form
    26,181.21/36,127.37 = 15,568.79/x
  3. Step 3: Cross multiply
    26,181.21x = 36,127.37 × 15,568.79
  4. Step 4: Simplify right side
    26,181.21x = 562,459,436.78
  5. Step 5: Solve for x
    x = 562,459,436.78/26,181.21
  6. Step 6: Final answer
    x = 21,483.32

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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.