Home / 14,549.06-20,076.81-8,580.98

Finding the Fourth Proportional to 14,549.06, 20,076.81 and 8,580.98

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Solution

The fourth proportional to 14,549.06, 20,076.81 and 8,580.98 is: 11,841.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.06 : 20,076.81 = 8,580.98 : x
  2. Step 2: Convert to fraction form
    14,549.06/20,076.81 = 8,580.98/x
  3. Step 3: Cross multiply
    14,549.06x = 20,076.81 × 8,580.98
  4. Step 4: Simplify right side
    14,549.06x = 172,278,705.07
  5. Step 5: Solve for x
    x = 172,278,705.07/14,549.06
  6. Step 6: Final answer
    x = 11,841.23

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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.