Home / 23,070.75-31,835.48-12,997.53

Finding the Fourth Proportional to 23,070.75, 31,835.48 and 12,997.53

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Solution

The fourth proportional to 23,070.75, 31,835.48 and 12,997.53 is: 17,935.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,070.75 : 31,835.48 = 12,997.53 : x
  2. Step 2: Convert to fraction form
    23,070.75/31,835.48 = 12,997.53/x
  3. Step 3: Cross multiply
    23,070.75x = 31,835.48 × 12,997.53
  4. Step 4: Simplify right side
    23,070.75x = 413,782,541.38
  5. Step 5: Solve for x
    x = 413,782,541.38/23,070.75
  6. Step 6: Final answer
    x = 17,935.37

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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.