Home / 20,018.32-27,627.93-19,361.14

Finding the Fourth Proportional to 20,018.32, 27,627.93 and 19,361.14

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Solution

The fourth proportional to 20,018.32, 27,627.93 and 19,361.14 is: 26,720.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018.32 : 27,627.93 = 19,361.14 : x
  2. Step 2: Convert to fraction form
    20,018.32/27,627.93 = 19,361.14/x
  3. Step 3: Cross multiply
    20,018.32x = 27,627.93 × 19,361.14
  4. Step 4: Simplify right side
    20,018.32x = 534,908,220.64
  5. Step 5: Solve for x
    x = 534,908,220.64/20,018.32
  6. Step 6: Final answer
    x = 26,720.93

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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.