Home / 14,226.48-19,633.16-7,938.86

Finding the Fourth Proportional to 14,226.48, 19,633.16 and 7,938.86

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Solution

The fourth proportional to 14,226.48, 19,633.16 and 7,938.86 is: 10,955.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.48 : 19,633.16 = 7,938.86 : x
  2. Step 2: Convert to fraction form
    14,226.48/19,633.16 = 7,938.86/x
  3. Step 3: Cross multiply
    14,226.48x = 19,633.16 × 7,938.86
  4. Step 4: Simplify right side
    14,226.48x = 155,864,908.60
  5. Step 5: Solve for x
    x = 155,864,908.60/14,226.48
  6. Step 6: Final answer
    x = 10,955.97

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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.