Home / 14,554.12-20,084.70-7,930.12

Finding the Fourth Proportional to 14,554.12, 20,084.70 and 7,930.12

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Solution

The fourth proportional to 14,554.12, 20,084.70 and 7,930.12 is: 10,943.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,554.12 : 20,084.70 = 7,930.12 : x
  2. Step 2: Convert to fraction form
    14,554.12/20,084.70 = 7,930.12/x
  3. Step 3: Cross multiply
    14,554.12x = 20,084.70 × 7,930.12
  4. Step 4: Simplify right side
    14,554.12x = 159,274,081.16
  5. Step 5: Solve for x
    x = 159,274,081.16/14,554.12
  6. Step 6: Final answer
    x = 10,943.57

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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.