Home / 22,306.48-30,783.94-13,352.28

Finding the Fourth Proportional to 22,306.48, 30,783.94 and 13,352.28

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Solution

The fourth proportional to 22,306.48, 30,783.94 and 13,352.28 is: 18,426.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,306.48 : 30,783.94 = 13,352.28 : x
  2. Step 2: Convert to fraction form
    22,306.48/30,783.94 = 13,352.28/x
  3. Step 3: Cross multiply
    22,306.48x = 30,783.94 × 13,352.28
  4. Step 4: Simplify right side
    22,306.48x = 411,035,786.38
  5. Step 5: Solve for x
    x = 411,035,786.38/22,306.48
  6. Step 6: Final answer
    x = 18,426.74

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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.