Home / 18,973.22-28,459.25-4,932.93

Finding the Fourth Proportional to 18,973.22, 28,459.25 and 4,932.93

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Solution

The fourth proportional to 18,973.22, 28,459.25 and 4,932.93 is: 7,399.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,973.22 : 28,459.25 = 4,932.93 : x
  2. Step 2: Convert to fraction form
    18,973.22/28,459.25 = 4,932.93/x
  3. Step 3: Cross multiply
    18,973.22x = 28,459.25 × 4,932.93
  4. Step 4: Simplify right side
    18,973.22x = 140,387,582.49
  5. Step 5: Solve for x
    x = 140,387,582.49/18,973.22
  6. Step 6: Final answer
    x = 7,399.25

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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.