Home / 19,927.70-27,499.88-10,976.03

Finding the Fourth Proportional to 19,927.70, 27,499.88 and 10,976.03

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Solution

The fourth proportional to 19,927.70, 27,499.88 and 10,976.03 is: 15,146.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.70 : 27,499.88 = 10,976.03 : x
  2. Step 2: Convert to fraction form
    19,927.70/27,499.88 = 10,976.03/x
  3. Step 3: Cross multiply
    19,927.70x = 27,499.88 × 10,976.03
  4. Step 4: Simplify right side
    19,927.70x = 301,839,547.41
  5. Step 5: Solve for x
    x = 301,839,547.41/19,927.70
  6. Step 6: Final answer
    x = 15,146.74

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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.