Home / 26,656.04-36,742.20-20,261.36

Finding the Fourth Proportional to 26,656.04, 36,742.20 and 20,261.36

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Solution

The fourth proportional to 26,656.04, 36,742.20 and 20,261.36 is: 27,927.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,656.04 : 36,742.20 = 20,261.36 : x
  2. Step 2: Convert to fraction form
    26,656.04/36,742.20 = 20,261.36/x
  3. Step 3: Cross multiply
    26,656.04x = 36,742.20 × 20,261.36
  4. Step 4: Simplify right side
    26,656.04x = 744,446,941.39
  5. Step 5: Solve for x
    x = 744,446,941.39/26,656.04
  6. Step 6: Final answer
    x = 27,927.89

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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.