Home / 14,436.36-19,916.28-8,771.22

Finding the Fourth Proportional to 14,436.36, 19,916.28 and 8,771.22

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Solution

The fourth proportional to 14,436.36, 19,916.28 and 8,771.22 is: 12,100.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,436.36 : 19,916.28 = 8,771.22 : x
  2. Step 2: Convert to fraction form
    14,436.36/19,916.28 = 8,771.22/x
  3. Step 3: Cross multiply
    14,436.36x = 19,916.28 × 8,771.22
  4. Step 4: Simplify right side
    14,436.36x = 174,690,073.46
  5. Step 5: Solve for x
    x = 174,690,073.46/14,436.36
  6. Step 6: Final answer
    x = 12,100.70

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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.