Home / 18,850.01-28,276.35-5,703.39

Finding the Fourth Proportional to 18,850.01, 28,276.35 and 5,703.39

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Solution

The fourth proportional to 18,850.01, 28,276.35 and 5,703.39 is: 8,555.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.01 : 28,276.35 = 5,703.39 : x
  2. Step 2: Convert to fraction form
    18,850.01/28,276.35 = 5,703.39/x
  3. Step 3: Cross multiply
    18,850.01x = 28,276.35 × 5,703.39
  4. Step 4: Simplify right side
    18,850.01x = 161,271,051.83
  5. Step 5: Solve for x
    x = 161,271,051.83/18,850.01
  6. Step 6: Final answer
    x = 8,555.49

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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.