Home / 18,533.51-25,575.01-11,458.56

Finding the Fourth Proportional to 18,533.51, 25,575.01 and 11,458.56

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Solution

The fourth proportional to 18,533.51, 25,575.01 and 11,458.56 is: 15,812.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,533.51 : 25,575.01 = 11,458.56 : x
  2. Step 2: Convert to fraction form
    18,533.51/25,575.01 = 11,458.56/x
  3. Step 3: Cross multiply
    18,533.51x = 25,575.01 × 11,458.56
  4. Step 4: Simplify right side
    18,533.51x = 293,052,853.85
  5. Step 5: Solve for x
    x = 293,052,853.85/18,533.51
  6. Step 6: Final answer
    x = 15,812.05

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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.