Home / 17,643.15-26,450.87-12,079.67

Finding the Fourth Proportional to 17,643.15, 26,450.87 and 12,079.67

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Solution

The fourth proportional to 17,643.15, 26,450.87 and 12,079.67 is: 18,110.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,643.15 : 26,450.87 = 12,079.67 : x
  2. Step 2: Convert to fraction form
    17,643.15/26,450.87 = 12,079.67/x
  3. Step 3: Cross multiply
    17,643.15x = 26,450.87 × 12,079.67
  4. Step 4: Simplify right side
    17,643.15x = 319,517,588.16
  5. Step 5: Solve for x
    x = 319,517,588.16/17,643.15
  6. Step 6: Final answer
    x = 18,110.01

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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.