Home / 13,916.11-19,205.02-8,254.21

Finding the Fourth Proportional to 13,916.11, 19,205.02 and 8,254.21

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Solution

The fourth proportional to 13,916.11, 19,205.02 and 8,254.21 is: 11,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.11 : 19,205.02 = 8,254.21 : x
  2. Step 2: Convert to fraction form
    13,916.11/19,205.02 = 8,254.21/x
  3. Step 3: Cross multiply
    13,916.11x = 19,205.02 × 8,254.21
  4. Step 4: Simplify right side
    13,916.11x = 158,522,247.50
  5. Step 5: Solve for x
    x = 158,522,247.50/13,916.11
  6. Step 6: Final answer
    x = 11,391.28

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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.