Home / 26,859.84-40,302.08-12,072.64

Finding the Fourth Proportional to 26,859.84, 40,302.08 and 12,072.64

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Solution

The fourth proportional to 26,859.84, 40,302.08 and 12,072.64 is: 18,114.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,859.84 : 40,302.08 = 12,072.64 : x
  2. Step 2: Convert to fraction form
    26,859.84/40,302.08 = 12,072.64/x
  3. Step 3: Cross multiply
    26,859.84x = 40,302.08 × 12,072.64
  4. Step 4: Simplify right side
    26,859.84x = 486,552,503.09
  5. Step 5: Solve for x
    x = 486,552,503.09/26,859.84
  6. Step 6: Final answer
    x = 18,114.50

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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.