Home / 22,940.04-31,636.26-14,979.36

Finding the Fourth Proportional to 22,940.04, 31,636.26 and 14,979.36

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Solution

The fourth proportional to 22,940.04, 31,636.26 and 14,979.36 is: 20,657.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,940.04 : 31,636.26 = 14,979.36 : x
  2. Step 2: Convert to fraction form
    22,940.04/31,636.26 = 14,979.36/x
  3. Step 3: Cross multiply
    22,940.04x = 31,636.26 × 14,979.36
  4. Step 4: Simplify right side
    22,940.04x = 473,890,927.59
  5. Step 5: Solve for x
    x = 473,890,927.59/22,940.04
  6. Step 6: Final answer
    x = 20,657.81

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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.