Home / 26,905.34-40,357.20-7,185.48

Finding the Fourth Proportional to 26,905.34, 40,357.20 and 7,185.48

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Solution

The fourth proportional to 26,905.34, 40,357.20 and 7,185.48 is: 10,778.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,905.34 : 40,357.20 = 7,185.48 : x
  2. Step 2: Convert to fraction form
    26,905.34/40,357.20 = 7,185.48/x
  3. Step 3: Cross multiply
    26,905.34x = 40,357.20 × 7,185.48
  4. Step 4: Simplify right side
    26,905.34x = 289,985,853.46
  5. Step 5: Solve for x
    x = 289,985,853.46/26,905.34
  6. Step 6: Final answer
    x = 10,778.00

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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.