Home / 14,485.11-19,989.74-9,452.55

Finding the Fourth Proportional to 14,485.11, 19,989.74 and 9,452.55

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Solution

The fourth proportional to 14,485.11, 19,989.74 and 9,452.55 is: 13,044.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.11 : 19,989.74 = 9,452.55 : x
  2. Step 2: Convert to fraction form
    14,485.11/19,989.74 = 9,452.55/x
  3. Step 3: Cross multiply
    14,485.11x = 19,989.74 × 9,452.55
  4. Step 4: Simplify right side
    14,485.11x = 188,953,969.57
  5. Step 5: Solve for x
    x = 188,953,969.57/14,485.11
  6. Step 6: Final answer
    x = 13,044.70

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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.