Home / 19,361.19-29,052.41-7,515.45

Finding the Fourth Proportional to 19,361.19, 29,052.41 and 7,515.45

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Solution

The fourth proportional to 19,361.19, 29,052.41 and 7,515.45 is: 11,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,361.19 : 29,052.41 = 7,515.45 : x
  2. Step 2: Convert to fraction form
    19,361.19/29,052.41 = 7,515.45/x
  3. Step 3: Cross multiply
    19,361.19x = 29,052.41 × 7,515.45
  4. Step 4: Simplify right side
    19,361.19x = 218,341,897.16
  5. Step 5: Solve for x
    x = 218,341,897.16/19,361.19
  6. Step 6: Final answer
    x = 11,277.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.