Home / 17,558.48-26,322.84-7,690.28

Finding the Fourth Proportional to 17,558.48, 26,322.84 and 7,690.28

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Solution

The fourth proportional to 17,558.48, 26,322.84 and 7,690.28 is: 11,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,558.48 : 26,322.84 = 7,690.28 : x
  2. Step 2: Convert to fraction form
    17,558.48/26,322.84 = 7,690.28/x
  3. Step 3: Cross multiply
    17,558.48x = 26,322.84 × 7,690.28
  4. Step 4: Simplify right side
    17,558.48x = 202,430,010.00
  5. Step 5: Solve for x
    x = 202,430,010.00/17,558.48
  6. Step 6: Final answer
    x = 11,528.90

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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.