Home / 13,431.16-20,153.36-6,040.84

Finding the Fourth Proportional to 13,431.16, 20,153.36 and 6,040.84

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Solution

The fourth proportional to 13,431.16, 20,153.36 and 6,040.84 is: 9,064.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431.16 : 20,153.36 = 6,040.84 : x
  2. Step 2: Convert to fraction form
    13,431.16/20,153.36 = 6,040.84/x
  3. Step 3: Cross multiply
    13,431.16x = 20,153.36 × 6,040.84
  4. Step 4: Simplify right side
    13,431.16x = 121,743,223.22
  5. Step 5: Solve for x
    x = 121,743,223.22/13,431.16
  6. Step 6: Final answer
    x = 9,064.24

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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.