Home / 14,084.36-19,436.72-7,711.22

Finding the Fourth Proportional to 14,084.36, 19,436.72 and 7,711.22

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Solution

The fourth proportional to 14,084.36, 19,436.72 and 7,711.22 is: 10,641.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.36 : 19,436.72 = 7,711.22 : x
  2. Step 2: Convert to fraction form
    14,084.36/19,436.72 = 7,711.22/x
  3. Step 3: Cross multiply
    14,084.36x = 19,436.72 × 7,711.22
  4. Step 4: Simplify right side
    14,084.36x = 149,880,688.26
  5. Step 5: Solve for x
    x = 149,880,688.26/14,084.36
  6. Step 6: Final answer
    x = 10,641.64

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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.