Home / 18,506.36-25,548.64-12,465.24

Finding the Fourth Proportional to 18,506.36, 25,548.64 and 12,465.24

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Solution

The fourth proportional to 18,506.36, 25,548.64 and 12,465.24 is: 17,208.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506.36 : 25,548.64 = 12,465.24 : x
  2. Step 2: Convert to fraction form
    18,506.36/25,548.64 = 12,465.24/x
  3. Step 3: Cross multiply
    18,506.36x = 25,548.64 × 12,465.24
  4. Step 4: Simplify right side
    18,506.36x = 318,469,929.27
  5. Step 5: Solve for x
    x = 318,469,929.27/18,506.36
  6. Step 6: Final answer
    x = 17,208.67

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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.