Home / 14,226.07-19,631.98-7,938.44

Finding the Fourth Proportional to 14,226.07, 19,631.98 and 7,938.44

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Solution

The fourth proportional to 14,226.07, 19,631.98 and 7,938.44 is: 10,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.07 : 19,631.98 = 7,938.44 : x
  2. Step 2: Convert to fraction form
    14,226.07/19,631.98 = 7,938.44/x
  3. Step 3: Cross multiply
    14,226.07x = 19,631.98 × 7,938.44
  4. Step 4: Simplify right side
    14,226.07x = 155,847,295.31
  5. Step 5: Solve for x
    x = 155,847,295.31/14,226.07
  6. Step 6: Final answer
    x = 10,955.05

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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.