Home / 13,916.63-19,205.01-8,327.63

Finding the Fourth Proportional to 13,916.63, 19,205.01 and 8,327.63

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Solution

The fourth proportional to 13,916.63, 19,205.01 and 8,327.63 is: 11,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.63 : 19,205.01 = 8,327.63 : x
  2. Step 2: Convert to fraction form
    13,916.63/19,205.01 = 8,327.63/x
  3. Step 3: Cross multiply
    13,916.63x = 19,205.01 × 8,327.63
  4. Step 4: Simplify right side
    13,916.63x = 159,932,121.40
  5. Step 5: Solve for x
    x = 159,932,121.40/13,916.63
  6. Step 6: Final answer
    x = 11,492.16

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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.