Home / 13,325.04-18,423.62-13,114.54

Finding the Fourth Proportional to 13,325.04, 18,423.62 and 13,114.54

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Solution

The fourth proportional to 13,325.04, 18,423.62 and 13,114.54 is: 18,132.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.04 : 18,423.62 = 13,114.54 : x
  2. Step 2: Convert to fraction form
    13,325.04/18,423.62 = 13,114.54/x
  3. Step 3: Cross multiply
    13,325.04x = 18,423.62 × 13,114.54
  4. Step 4: Simplify right side
    13,325.04x = 241,617,308.07
  5. Step 5: Solve for x
    x = 241,617,308.07/13,325.04
  6. Step 6: Final answer
    x = 18,132.58

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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.