Home / 23,015.07-31,761.95-12,946.68

Finding the Fourth Proportional to 23,015.07, 31,761.95 and 12,946.68

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Solution

The fourth proportional to 23,015.07, 31,761.95 and 12,946.68 is: 17,867.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,015.07 : 31,761.95 = 12,946.68 : x
  2. Step 2: Convert to fraction form
    23,015.07/31,761.95 = 12,946.68/x
  3. Step 3: Cross multiply
    23,015.07x = 31,761.95 × 12,946.68
  4. Step 4: Simplify right side
    23,015.07x = 411,211,738.09
  5. Step 5: Solve for x
    x = 411,211,738.09/23,015.07
  6. Step 6: Final answer
    x = 17,867.06

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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.