Home / 14,053.41-21,076.88-5,289.21

Finding the Fourth Proportional to 14,053.41, 21,076.88 and 5,289.21

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Solution

The fourth proportional to 14,053.41, 21,076.88 and 5,289.21 is: 7,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053.41 : 21,076.88 = 5,289.21 : x
  2. Step 2: Convert to fraction form
    14,053.41/21,076.88 = 5,289.21/x
  3. Step 3: Cross multiply
    14,053.41x = 21,076.88 × 5,289.21
  4. Step 4: Simplify right side
    14,053.41x = 111,480,018.02
  5. Step 5: Solve for x
    x = 111,480,018.02/14,053.41
  6. Step 6: Final answer
    x = 7,932.60

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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.