Home / 23,039.10-31,795.00-12,971.00

Finding the Fourth Proportional to 23,039.10, 31,795.00 and 12,971.00

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Solution

The fourth proportional to 23,039.10, 31,795.00 and 12,971.00 is: 17,900.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,039.10 : 31,795.00 = 12,971.00 : x
  2. Step 2: Convert to fraction form
    23,039.10/31,795.00 = 12,971.00/x
  3. Step 3: Cross multiply
    23,039.10x = 31,795.00 × 12,971.00
  4. Step 4: Simplify right side
    23,039.10x = 412,412,992.06
  5. Step 5: Solve for x
    x = 412,412,992.06/23,039.10
  6. Step 6: Final answer
    x = 17,900.57

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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.