Home / 23,014.16-31,759.34-12,942.67

Finding the Fourth Proportional to 23,014.16, 31,759.34 and 12,942.67

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Solution

The fourth proportional to 23,014.16, 31,759.34 and 12,942.67 is: 17,860.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,014.16 : 31,759.34 = 12,942.67 : x
  2. Step 2: Convert to fraction form
    23,014.16/31,759.34 = 12,942.67/x
  3. Step 3: Cross multiply
    23,014.16x = 31,759.34 × 12,942.67
  4. Step 4: Simplify right side
    23,014.16x = 411,050,657.04
  5. Step 5: Solve for x
    x = 411,050,657.04/23,014.16
  6. Step 6: Final answer
    x = 17,860.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.