Home / 13,253.04-18,277.08-11,851.72

Finding the Fourth Proportional to 13,253.04, 18,277.08 and 11,851.72

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Solution

The fourth proportional to 13,253.04, 18,277.08 and 11,851.72 is: 16,344.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.04 : 18,277.08 = 11,851.72 : x
  2. Step 2: Convert to fraction form
    13,253.04/18,277.08 = 11,851.72/x
  3. Step 3: Cross multiply
    13,253.04x = 18,277.08 × 11,851.72
  4. Step 4: Simplify right side
    13,253.04x = 216,614,834.58
  5. Step 5: Solve for x
    x = 216,614,834.58/13,253.04
  6. Step 6: Final answer
    x = 16,344.54

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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.