Home / 26,587.98-39,867.93-11,790.45

Finding the Fourth Proportional to 26,587.98, 39,867.93 and 11,790.45

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Solution

The fourth proportional to 26,587.98, 39,867.93 and 11,790.45 is: 17,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,587.98 : 39,867.93 = 11,790.45 : x
  2. Step 2: Convert to fraction form
    26,587.98/39,867.93 = 11,790.45/x
  3. Step 3: Cross multiply
    26,587.98x = 39,867.93 × 11,790.45
  4. Step 4: Simplify right side
    26,587.98x = 470,060,835.27
  5. Step 5: Solve for x
    x = 470,060,835.27/26,587.98
  6. Step 6: Final answer
    x = 17,679.45

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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.