Home / 13,276.05-19,916.80-11,099.99

Finding the Fourth Proportional to 13,276.05, 19,916.80 and 11,099.99

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Solution

The fourth proportional to 13,276.05, 19,916.80 and 11,099.99 is: 16,652.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.05 : 19,916.80 = 11,099.99 : x
  2. Step 2: Convert to fraction form
    13,276.05/19,916.80 = 11,099.99/x
  3. Step 3: Cross multiply
    13,276.05x = 19,916.80 × 11,099.99
  4. Step 4: Simplify right side
    13,276.05x = 221,076,153.50
  5. Step 5: Solve for x
    x = 221,076,153.50/13,276.05
  6. Step 6: Final answer
    x = 16,652.25

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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.