Home / 28,076.02-42,098.33-11,416.55

Finding the Fourth Proportional to 28,076.02, 42,098.33 and 11,416.55

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Solution

The fourth proportional to 28,076.02, 42,098.33 and 11,416.55 is: 17,118.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,076.02 : 42,098.33 = 11,416.55 : x
  2. Step 2: Convert to fraction form
    28,076.02/42,098.33 = 11,416.55/x
  3. Step 3: Cross multiply
    28,076.02x = 42,098.33 × 11,416.55
  4. Step 4: Simplify right side
    28,076.02x = 480,617,507.41
  5. Step 5: Solve for x
    x = 480,617,507.41/28,076.02
  6. Step 6: Final answer
    x = 17,118.44

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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.