Home / 16,783.58-23,155.80-9,704.99

Finding the Fourth Proportional to 16,783.58, 23,155.80 and 9,704.99

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Solution

The fourth proportional to 16,783.58, 23,155.80 and 9,704.99 is: 13,389.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.58 : 23,155.80 = 9,704.99 : x
  2. Step 2: Convert to fraction form
    16,783.58/23,155.80 = 9,704.99/x
  3. Step 3: Cross multiply
    16,783.58x = 23,155.80 × 9,704.99
  4. Step 4: Simplify right side
    16,783.58x = 224,726,807.44
  5. Step 5: Solve for x
    x = 224,726,807.44/16,783.58
  6. Step 6: Final answer
    x = 13,389.68

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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.