Home / 30,226.99-45,347.02-9,168.63

Finding the Fourth Proportional to 30,226.99, 45,347.02 and 9,168.63

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Solution

The fourth proportional to 30,226.99, 45,347.02 and 9,168.63 is: 13,754.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,226.99 : 45,347.02 = 9,168.63 : x
  2. Step 2: Convert to fraction form
    30,226.99/45,347.02 = 9,168.63/x
  3. Step 3: Cross multiply
    30,226.99x = 45,347.02 × 9,168.63
  4. Step 4: Simplify right side
    30,226.99x = 415,770,228.89
  5. Step 5: Solve for x
    x = 415,770,228.89/30,226.99
  6. Step 6: Final answer
    x = 13,754.93

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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.