Home / 23,131.90-31,923.45-13,056.67

Finding the Fourth Proportional to 23,131.90, 31,923.45 and 13,056.67

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Solution

The fourth proportional to 23,131.90, 31,923.45 and 13,056.67 is: 18,019.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,131.90 : 31,923.45 = 13,056.67 : x
  2. Step 2: Convert to fraction form
    23,131.90/31,923.45 = 13,056.67/x
  3. Step 3: Cross multiply
    23,131.90x = 31,923.45 × 13,056.67
  4. Step 4: Simplify right side
    23,131.90x = 416,813,792.29
  5. Step 5: Solve for x
    x = 416,813,792.29/23,131.90
  6. Step 6: Final answer
    x = 18,019.01

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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.