Home / 23,114.56-31,898.10-12,504.21

Finding the Fourth Proportional to 23,114.56, 31,898.10 and 12,504.21

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Solution

The fourth proportional to 23,114.56, 31,898.10 and 12,504.21 is: 17,255.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,114.56 : 31,898.10 = 12,504.21 : x
  2. Step 2: Convert to fraction form
    23,114.56/31,898.10 = 12,504.21/x
  3. Step 3: Cross multiply
    23,114.56x = 31,898.10 × 12,504.21
  4. Step 4: Simplify right side
    23,114.56x = 398,860,541.00
  5. Step 5: Solve for x
    x = 398,860,541.00/23,114.56
  6. Step 6: Final answer
    x = 17,255.81

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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.