Home / 18,807.33-25,944.93-15,822.08

Finding the Fourth Proportional to 18,807.33, 25,944.93 and 15,822.08

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Solution

The fourth proportional to 18,807.33, 25,944.93 and 15,822.08 is: 21,826.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,807.33 : 25,944.93 = 15,822.08 : x
  2. Step 2: Convert to fraction form
    18,807.33/25,944.93 = 15,822.08/x
  3. Step 3: Cross multiply
    18,807.33x = 25,944.93 × 15,822.08
  4. Step 4: Simplify right side
    18,807.33x = 410,502,628.33
  5. Step 5: Solve for x
    x = 410,502,628.33/18,807.33
  6. Step 6: Final answer
    x = 21,826.74

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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.