Home / 20,054.02-27,674.88-10,979.23

Finding the Fourth Proportional to 20,054.02, 27,674.88 and 10,979.23

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Solution

The fourth proportional to 20,054.02, 27,674.88 and 10,979.23 is: 15,151.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054.02 : 27,674.88 = 10,979.23 : x
  2. Step 2: Convert to fraction form
    20,054.02/27,674.88 = 10,979.23/x
  3. Step 3: Cross multiply
    20,054.02x = 27,674.88 × 10,979.23
  4. Step 4: Simplify right side
    20,054.02x = 303,848,806.55
  5. Step 5: Solve for x
    x = 303,848,806.55/20,054.02
  6. Step 6: Final answer
    x = 15,151.52

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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.