Home / 23,050.59-31,810.44-12,979.41

Finding the Fourth Proportional to 23,050.59, 31,810.44 and 12,979.41

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Solution

The fourth proportional to 23,050.59, 31,810.44 and 12,979.41 is: 17,911.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,050.59 : 31,810.44 = 12,979.41 : x
  2. Step 2: Convert to fraction form
    23,050.59/31,810.44 = 12,979.41/x
  3. Step 3: Cross multiply
    23,050.59x = 31,810.44 × 12,979.41
  4. Step 4: Simplify right side
    23,050.59x = 412,880,743.04
  5. Step 5: Solve for x
    x = 412,880,743.04/23,050.59
  6. Step 6: Final answer
    x = 17,911.94

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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.