Home / 28,526.56-39,353.39-18,458.24

Finding the Fourth Proportional to 28,526.56, 39,353.39 and 18,458.24

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Solution

The fourth proportional to 28,526.56, 39,353.39 and 18,458.24 is: 25,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,526.56 : 39,353.39 = 18,458.24 : x
  2. Step 2: Convert to fraction form
    28,526.56/39,353.39 = 18,458.24/x
  3. Step 3: Cross multiply
    28,526.56x = 39,353.39 × 18,458.24
  4. Step 4: Simplify right side
    28,526.56x = 726,394,461.96
  5. Step 5: Solve for x
    x = 726,394,461.96/28,526.56
  6. Step 6: Final answer
    x = 25,463.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.