Home / 14,364.26-21,533.34-5,128.10

Finding the Fourth Proportional to 14,364.26, 21,533.34 and 5,128.10

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Solution

The fourth proportional to 14,364.26, 21,533.34 and 5,128.10 is: 7,687.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,364.26 : 21,533.34 = 5,128.10 : x
  2. Step 2: Convert to fraction form
    14,364.26/21,533.34 = 5,128.10/x
  3. Step 3: Cross multiply
    14,364.26x = 21,533.34 × 5,128.10
  4. Step 4: Simplify right side
    14,364.26x = 110,425,120.85
  5. Step 5: Solve for x
    x = 110,425,120.85/14,364.26
  6. Step 6: Final answer
    x = 7,687.49

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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.