Home / 14,297.40-21,448.14-5,415.99

Finding the Fourth Proportional to 14,297.40, 21,448.14 and 5,415.99

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Solution

The fourth proportional to 14,297.40, 21,448.14 and 5,415.99 is: 8,124.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,297.40 : 21,448.14 = 5,415.99 : x
  2. Step 2: Convert to fraction form
    14,297.40/21,448.14 = 5,415.99/x
  3. Step 3: Cross multiply
    14,297.40x = 21,448.14 × 5,415.99
  4. Step 4: Simplify right side
    14,297.40x = 116,162,911.76
  5. Step 5: Solve for x
    x = 116,162,911.76/14,297.40
  6. Step 6: Final answer
    x = 8,124.76

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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.