Home / 18,788.06-25,932.20-10,835.07

Finding the Fourth Proportional to 18,788.06, 25,932.20 and 10,835.07

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Solution

The fourth proportional to 18,788.06, 25,932.20 and 10,835.07 is: 14,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.06 : 25,932.20 = 10,835.07 : x
  2. Step 2: Convert to fraction form
    18,788.06/25,932.20 = 10,835.07/x
  3. Step 3: Cross multiply
    18,788.06x = 25,932.20 × 10,835.07
  4. Step 4: Simplify right side
    18,788.06x = 280,977,148.08
  5. Step 5: Solve for x
    x = 280,977,148.08/18,788.06
  6. Step 6: Final answer
    x = 14,955.10

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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.