Home / 26,643.55-39,965.32-7,923.51

Finding the Fourth Proportional to 26,643.55, 39,965.32 and 7,923.51

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Solution

The fourth proportional to 26,643.55, 39,965.32 and 7,923.51 is: 11,885.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,643.55 : 39,965.32 = 7,923.51 : x
  2. Step 2: Convert to fraction form
    26,643.55/39,965.32 = 7,923.51/x
  3. Step 3: Cross multiply
    26,643.55x = 39,965.32 × 7,923.51
  4. Step 4: Simplify right side
    26,643.55x = 316,665,612.67
  5. Step 5: Solve for x
    x = 316,665,612.67/26,643.55
  6. Step 6: Final answer
    x = 11,885.26

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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.