Home / 26,945.21-40,412.34-7,219.15

Finding the Fourth Proportional to 26,945.21, 40,412.34 and 7,219.15

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Solution

The fourth proportional to 26,945.21, 40,412.34 and 7,219.15 is: 10,827.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,945.21 : 40,412.34 = 7,219.15 : x
  2. Step 2: Convert to fraction form
    26,945.21/40,412.34 = 7,219.15/x
  3. Step 3: Cross multiply
    26,945.21x = 40,412.34 × 7,219.15
  4. Step 4: Simplify right side
    26,945.21x = 291,742,777.24
  5. Step 5: Solve for x
    x = 291,742,777.24/26,945.21
  6. Step 6: Final answer
    x = 10,827.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.