Home / 16,885.78-23,303.18-10,173.49

Finding the Fourth Proportional to 16,885.78, 23,303.18 and 10,173.49

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Solution

The fourth proportional to 16,885.78, 23,303.18 and 10,173.49 is: 14,039.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.78 : 23,303.18 = 10,173.49 : x
  2. Step 2: Convert to fraction form
    16,885.78/23,303.18 = 10,173.49/x
  3. Step 3: Cross multiply
    16,885.78x = 23,303.18 × 10,173.49
  4. Step 4: Simplify right side
    16,885.78x = 237,074,668.70
  5. Step 5: Solve for x
    x = 237,074,668.70/16,885.78
  6. Step 6: Final answer
    x = 14,039.90

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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.