Home / 13,714.16-20,526.36-7,458.56

Finding the Fourth Proportional to 13,714.16, 20,526.36 and 7,458.56

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Solution

The fourth proportional to 13,714.16, 20,526.36 and 7,458.56 is: 11,163.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.16 : 20,526.36 = 7,458.56 : x
  2. Step 2: Convert to fraction form
    13,714.16/20,526.36 = 7,458.56/x
  3. Step 3: Cross multiply
    13,714.16x = 20,526.36 × 7,458.56
  4. Step 4: Simplify right side
    13,714.16x = 153,097,087.64
  5. Step 5: Solve for x
    x = 153,097,087.64/13,714.16
  6. Step 6: Final answer
    x = 11,163.43

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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.