Home / 26,089.85-39,140.45-8,559.02

Finding the Fourth Proportional to 26,089.85, 39,140.45 and 8,559.02

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Solution

The fourth proportional to 26,089.85, 39,140.45 and 8,559.02 is: 12,840.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,089.85 : 39,140.45 = 8,559.02 : x
  2. Step 2: Convert to fraction form
    26,089.85/39,140.45 = 8,559.02/x
  3. Step 3: Cross multiply
    26,089.85x = 39,140.45 × 8,559.02
  4. Step 4: Simplify right side
    26,089.85x = 335,003,981.51
  5. Step 5: Solve for x
    x = 335,003,981.51/26,089.85
  6. Step 6: Final answer
    x = 12,840.39

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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.