Home / 13,452.16-18,525.36-13,408.42

Finding the Fourth Proportional to 13,452.16, 18,525.36 and 13,408.42

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Solution

The fourth proportional to 13,452.16, 18,525.36 and 13,408.42 is: 18,465.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.16 : 18,525.36 = 13,408.42 : x
  2. Step 2: Convert to fraction form
    13,452.16/18,525.36 = 13,408.42/x
  3. Step 3: Cross multiply
    13,452.16x = 18,525.36 × 13,408.42
  4. Step 4: Simplify right side
    13,452.16x = 248,395,807.53
  5. Step 5: Solve for x
    x = 248,395,807.53/13,452.16
  6. Step 6: Final answer
    x = 18,465.12

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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.