Home / 18,693.08-25,795.73-10,309.58

Finding the Fourth Proportional to 18,693.08, 25,795.73 and 10,309.58

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Solution

The fourth proportional to 18,693.08, 25,795.73 and 10,309.58 is: 14,226.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693.08 : 25,795.73 = 10,309.58 : x
  2. Step 2: Convert to fraction form
    18,693.08/25,795.73 = 10,309.58/x
  3. Step 3: Cross multiply
    18,693.08x = 25,795.73 × 10,309.58
  4. Step 4: Simplify right side
    18,693.08x = 265,942,987.34
  5. Step 5: Solve for x
    x = 265,942,987.34/18,693.08
  6. Step 6: Final answer
    x = 14,226.82

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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.