Home / 15,583.56-23,347.22-8,555.96

Finding the Fourth Proportional to 15,583.56, 23,347.22 and 8,555.96

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Solution

The fourth proportional to 15,583.56, 23,347.22 and 8,555.96 is: 12,818.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583.56 : 23,347.22 = 8,555.96 : x
  2. Step 2: Convert to fraction form
    15,583.56/23,347.22 = 8,555.96/x
  3. Step 3: Cross multiply
    15,583.56x = 23,347.22 × 8,555.96
  4. Step 4: Simplify right side
    15,583.56x = 199,757,880.43
  5. Step 5: Solve for x
    x = 199,757,880.43/15,583.56
  6. Step 6: Final answer
    x = 12,818.50

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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.