Home / 22,310.48-30,783.30-13,354.58

Finding the Fourth Proportional to 22,310.48, 30,783.30 and 13,354.58

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Solution

The fourth proportional to 22,310.48, 30,783.30 and 13,354.58 is: 18,426.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,310.48 : 30,783.30 = 13,354.58 : x
  2. Step 2: Convert to fraction form
    22,310.48/30,783.30 = 13,354.58/x
  3. Step 3: Cross multiply
    22,310.48x = 30,783.30 × 13,354.58
  4. Step 4: Simplify right side
    22,310.48x = 411,098,042.51
  5. Step 5: Solve for x
    x = 411,098,042.51/22,310.48
  6. Step 6: Final answer
    x = 18,426.23

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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.