Home / 14,661.69-20,226.35-9,361.86

Finding the Fourth Proportional to 14,661.69, 20,226.35 and 9,361.86

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Solution

The fourth proportional to 14,661.69, 20,226.35 and 9,361.86 is: 12,915.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,661.69 : 20,226.35 = 9,361.86 : x
  2. Step 2: Convert to fraction form
    14,661.69/20,226.35 = 9,361.86/x
  3. Step 3: Cross multiply
    14,661.69x = 20,226.35 × 9,361.86
  4. Step 4: Simplify right side
    14,661.69x = 189,356,210.20
  5. Step 5: Solve for x
    x = 189,356,210.20/14,661.69
  6. Step 6: Final answer
    x = 12,915.03

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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.