Home / 13,107.67-18,106.28-10,473.55

Finding the Fourth Proportional to 13,107.67, 18,106.28 and 10,473.55

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Solution

The fourth proportional to 13,107.67, 18,106.28 and 10,473.55 is: 14,467.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.67 : 18,106.28 = 10,473.55 : x
  2. Step 2: Convert to fraction form
    13,107.67/18,106.28 = 10,473.55/x
  3. Step 3: Cross multiply
    13,107.67x = 18,106.28 × 10,473.55
  4. Step 4: Simplify right side
    13,107.67x = 189,637,028.89
  5. Step 5: Solve for x
    x = 189,637,028.89/13,107.67
  6. Step 6: Final answer
    x = 14,467.64

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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.