Home / 16,868.51-25,303.69-7,008.79

Finding the Fourth Proportional to 16,868.51, 25,303.69 and 7,008.79

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Solution

The fourth proportional to 16,868.51, 25,303.69 and 7,008.79 is: 10,513.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.51 : 25,303.69 = 7,008.79 : x
  2. Step 2: Convert to fraction form
    16,868.51/25,303.69 = 7,008.79/x
  3. Step 3: Cross multiply
    16,868.51x = 25,303.69 × 7,008.79
  4. Step 4: Simplify right side
    16,868.51x = 177,348,122.92
  5. Step 5: Solve for x
    x = 177,348,122.92/16,868.51
  6. Step 6: Final answer
    x = 10,513.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.