Home / 14,777.16-20,395.20-9,474.12

Finding the Fourth Proportional to 14,777.16, 20,395.20 and 9,474.12

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Solution

The fourth proportional to 14,777.16, 20,395.20 and 9,474.12 is: 13,076.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.16 : 20,395.20 = 9,474.12 : x
  2. Step 2: Convert to fraction form
    14,777.16/20,395.20 = 9,474.12/x
  3. Step 3: Cross multiply
    14,777.16x = 20,395.20 × 9,474.12
  4. Step 4: Simplify right side
    14,777.16x = 193,226,572.22
  5. Step 5: Solve for x
    x = 193,226,572.22/14,777.16
  6. Step 6: Final answer
    x = 13,076.03

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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.