Home / 26,973.10-37,221.30-20,604.04

Finding the Fourth Proportional to 26,973.10, 37,221.30 and 20,604.04

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Solution

The fourth proportional to 26,973.10, 37,221.30 and 20,604.04 is: 28,432.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,973.10 : 37,221.30 = 20,604.04 : x
  2. Step 2: Convert to fraction form
    26,973.10/37,221.30 = 20,604.04/x
  3. Step 3: Cross multiply
    26,973.10x = 37,221.30 × 20,604.04
  4. Step 4: Simplify right side
    26,973.10x = 766,909,154.05
  5. Step 5: Solve for x
    x = 766,909,154.05/26,973.10
  6. Step 6: Final answer
    x = 28,432.37

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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.