Home / 23,045.77-31,802.98-12,974.33

Finding the Fourth Proportional to 23,045.77, 31,802.98 and 12,974.33

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Solution

The fourth proportional to 23,045.77, 31,802.98 and 12,974.33 is: 17,904.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,045.77 : 31,802.98 = 12,974.33 : x
  2. Step 2: Convert to fraction form
    23,045.77/31,802.98 = 12,974.33/x
  3. Step 3: Cross multiply
    23,045.77x = 31,802.98 × 12,974.33
  4. Step 4: Simplify right side
    23,045.77x = 412,622,357.50
  5. Step 5: Solve for x
    x = 412,622,357.50/23,045.77
  6. Step 6: Final answer
    x = 17,904.47

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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.