Home / 22,156.02-30,575.06-12,724.64

Finding the Fourth Proportional to 22,156.02, 30,575.06 and 12,724.64

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Solution

The fourth proportional to 22,156.02, 30,575.06 and 12,724.64 is: 17,559.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,156.02 : 30,575.06 = 12,724.64 : x
  2. Step 2: Convert to fraction form
    22,156.02/30,575.06 = 12,724.64/x
  3. Step 3: Cross multiply
    22,156.02x = 30,575.06 × 12,724.64
  4. Step 4: Simplify right side
    22,156.02x = 389,056,631.48
  5. Step 5: Solve for x
    x = 389,056,631.48/22,156.02
  6. Step 6: Final answer
    x = 17,559.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.