Home / 16,995.21-23,451.69-9,925.75

Finding the Fourth Proportional to 16,995.21, 23,451.69 and 9,925.75

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Solution

The fourth proportional to 16,995.21, 23,451.69 and 9,925.75 is: 13,696.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,995.21 : 23,451.69 = 9,925.75 : x
  2. Step 2: Convert to fraction form
    16,995.21/23,451.69 = 9,925.75/x
  3. Step 3: Cross multiply
    16,995.21x = 23,451.69 × 9,925.75
  4. Step 4: Simplify right side
    16,995.21x = 232,775,612.02
  5. Step 5: Solve for x
    x = 232,775,612.02/16,995.21
  6. Step 6: Final answer
    x = 13,696.54

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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.