Home / 16,874.81-25,298.55-7,021.47

Finding the Fourth Proportional to 16,874.81, 25,298.55 and 7,021.47

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Solution

The fourth proportional to 16,874.81, 25,298.55 and 7,021.47 is: 10,526.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,874.81 : 25,298.55 = 7,021.47 : x
  2. Step 2: Convert to fraction form
    16,874.81/25,298.55 = 7,021.47/x
  3. Step 3: Cross multiply
    16,874.81x = 25,298.55 × 7,021.47
  4. Step 4: Simplify right side
    16,874.81x = 177,633,009.87
  5. Step 5: Solve for x
    x = 177,633,009.87/16,874.81
  6. Step 6: Final answer
    x = 10,526.52

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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.