Home / 18,984.19-28,475.16-5,836.47

Finding the Fourth Proportional to 18,984.19, 28,475.16 and 5,836.47

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Solution

The fourth proportional to 18,984.19, 28,475.16 and 5,836.47 is: 8,754.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.19 : 28,475.16 = 5,836.47 : x
  2. Step 2: Convert to fraction form
    18,984.19/28,475.16 = 5,836.47/x
  3. Step 3: Cross multiply
    18,984.19x = 28,475.16 × 5,836.47
  4. Step 4: Simplify right side
    18,984.19x = 166,194,417.09
  5. Step 5: Solve for x
    x = 166,194,417.09/18,984.19
  6. Step 6: Final answer
    x = 8,754.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.