Home / 15,175.26-20,950.83-13,492.01

Finding the Fourth Proportional to 15,175.26, 20,950.83 and 13,492.01

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Solution

The fourth proportional to 15,175.26, 20,950.83 and 13,492.01 is: 18,626.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,175.26 : 20,950.83 = 13,492.01 : x
  2. Step 2: Convert to fraction form
    15,175.26/20,950.83 = 13,492.01/x
  3. Step 3: Cross multiply
    15,175.26x = 20,950.83 × 13,492.01
  4. Step 4: Simplify right side
    15,175.26x = 282,668,807.87
  5. Step 5: Solve for x
    x = 282,668,807.87/15,175.26
  6. Step 6: Final answer
    x = 18,626.95

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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.