Home / 18,686.16-28,033.56-10,901.52

Finding the Fourth Proportional to 18,686.16, 28,033.56 and 10,901.52

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Solution

The fourth proportional to 18,686.16, 28,033.56 and 10,901.52 is: 16,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686.16 : 28,033.56 = 10,901.52 : x
  2. Step 2: Convert to fraction form
    18,686.16/28,033.56 = 10,901.52/x
  3. Step 3: Cross multiply
    18,686.16x = 28,033.56 × 10,901.52
  4. Step 4: Simplify right side
    18,686.16x = 305,608,415.01
  5. Step 5: Solve for x
    x = 305,608,415.01/18,686.16
  6. Step 6: Final answer
    x = 16,354.80

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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.