Home / 16,798.10-23,177.09-9,720.32

Finding the Fourth Proportional to 16,798.10, 23,177.09 and 9,720.32

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Solution

The fourth proportional to 16,798.10, 23,177.09 and 9,720.32 is: 13,411.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,798.10 : 23,177.09 = 9,720.32 : x
  2. Step 2: Convert to fraction form
    16,798.10/23,177.09 = 9,720.32/x
  3. Step 3: Cross multiply
    16,798.10x = 23,177.09 × 9,720.32
  4. Step 4: Simplify right side
    16,798.10x = 225,288,682.87
  5. Step 5: Solve for x
    x = 225,288,682.87/16,798.10
  6. Step 6: Final answer
    x = 13,411.56

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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.