Home / 17,986.96-26,980.92-4,839.32

Finding the Fourth Proportional to 17,986.96, 26,980.92 and 4,839.32

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Solution

The fourth proportional to 17,986.96, 26,980.92 and 4,839.32 is: 7,259.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,986.96 : 26,980.92 = 4,839.32 : x
  2. Step 2: Convert to fraction form
    17,986.96/26,980.92 = 4,839.32/x
  3. Step 3: Cross multiply
    17,986.96x = 26,980.92 × 4,839.32
  4. Step 4: Simplify right side
    17,986.96x = 130,569,305.77
  5. Step 5: Solve for x
    x = 130,569,305.77/17,986.96
  6. Step 6: Final answer
    x = 7,259.11

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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.