Home / 27,873.60-41,810.40-18,526.20

Finding the Fourth Proportional to 27,873.60, 41,810.40 and 18,526.20

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Solution

The fourth proportional to 27,873.60, 41,810.40 and 18,526.20 is: 27,789.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,873.60 : 41,810.40 = 18,526.20 : x
  2. Step 2: Convert to fraction form
    27,873.60/41,810.40 = 18,526.20/x
  3. Step 3: Cross multiply
    27,873.60x = 41,810.40 × 18,526.20
  4. Step 4: Simplify right side
    27,873.60x = 774,587,832.48
  5. Step 5: Solve for x
    x = 774,587,832.48/27,873.60
  6. Step 6: Final answer
    x = 27,789.30

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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.