Home / 16,670.77-23,004.73-9,115.60

Finding the Fourth Proportional to 16,670.77, 23,004.73 and 9,115.60

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Solution

The fourth proportional to 16,670.77, 23,004.73 and 9,115.60 is: 12,579.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,670.77 : 23,004.73 = 9,115.60 : x
  2. Step 2: Convert to fraction form
    16,670.77/23,004.73 = 9,115.60/x
  3. Step 3: Cross multiply
    16,670.77x = 23,004.73 × 9,115.60
  4. Step 4: Simplify right side
    16,670.77x = 209,701,756.19
  5. Step 5: Solve for x
    x = 209,701,756.19/16,670.77
  6. Step 6: Final answer
    x = 12,579.01

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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.