Home / 13,953.56-20,912.54-6,541.70

Finding the Fourth Proportional to 13,953.56, 20,912.54 and 6,541.70

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Solution

The fourth proportional to 13,953.56, 20,912.54 and 6,541.70 is: 9,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.56 : 20,912.54 = 6,541.70 : x
  2. Step 2: Convert to fraction form
    13,953.56/20,912.54 = 6,541.70/x
  3. Step 3: Cross multiply
    13,953.56x = 20,912.54 × 6,541.70
  4. Step 4: Simplify right side
    13,953.56x = 136,803,425.65
  5. Step 5: Solve for x
    x = 136,803,425.65/13,953.56
  6. Step 6: Final answer
    x = 9,804.20

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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.