Home / 23,008.47-31,751.57-12,936.93

Finding the Fourth Proportional to 23,008.47, 31,751.57 and 12,936.93

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Solution

The fourth proportional to 23,008.47, 31,751.57 and 12,936.93 is: 17,852.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,008.47 : 31,751.57 = 12,936.93 : x
  2. Step 2: Convert to fraction form
    23,008.47/31,751.57 = 12,936.93/x
  3. Step 3: Cross multiply
    23,008.47x = 31,751.57 × 12,936.93
  4. Step 4: Simplify right side
    23,008.47x = 410,767,773.80
  5. Step 5: Solve for x
    x = 410,767,773.80/23,008.47
  6. Step 6: Final answer
    x = 17,852.89

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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.