Home / 20,459.37-28,111.57-16,260.33

Finding the Fourth Proportional to 20,459.37, 28,111.57 and 16,260.33

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Solution

The fourth proportional to 20,459.37, 28,111.57 and 16,260.33 is: 22,342.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,459.37 : 28,111.57 = 16,260.33 : x
  2. Step 2: Convert to fraction form
    20,459.37/28,111.57 = 16,260.33/x
  3. Step 3: Cross multiply
    20,459.37x = 28,111.57 × 16,260.33
  4. Step 4: Simplify right side
    20,459.37x = 457,103,405.02
  5. Step 5: Solve for x
    x = 457,103,405.02/20,459.37
  6. Step 6: Final answer
    x = 22,342.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.