Home / 14,089.64-21,139.26-5,327.08

Finding the Fourth Proportional to 14,089.64, 21,139.26 and 5,327.08

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Solution

The fourth proportional to 14,089.64, 21,139.26 and 5,327.08 is: 7,992.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.64 : 21,139.26 = 5,327.08 : x
  2. Step 2: Convert to fraction form
    14,089.64/21,139.26 = 5,327.08/x
  3. Step 3: Cross multiply
    14,089.64x = 21,139.26 × 5,327.08
  4. Step 4: Simplify right side
    14,089.64x = 112,610,529.16
  5. Step 5: Solve for x
    x = 112,610,529.16/14,089.64
  6. Step 6: Final answer
    x = 7,992.43

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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.