Home / 16,492.36-24,750.70-12,121.60

Finding the Fourth Proportional to 16,492.36, 24,750.70 and 12,121.60

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Solution

The fourth proportional to 16,492.36, 24,750.70 and 12,121.60 is: 18,191.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,492.36 : 24,750.70 = 12,121.60 : x
  2. Step 2: Convert to fraction form
    16,492.36/24,750.70 = 12,121.60/x
  3. Step 3: Cross multiply
    16,492.36x = 24,750.70 × 12,121.60
  4. Step 4: Simplify right side
    16,492.36x = 300,018,085.12
  5. Step 5: Solve for x
    x = 300,018,085.12/16,492.36
  6. Step 6: Final answer
    x = 18,191.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.