Home / 18,933.23-28,399.51-5,606.16

Finding the Fourth Proportional to 18,933.23, 28,399.51 and 5,606.16

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Solution

The fourth proportional to 18,933.23, 28,399.51 and 5,606.16 is: 8,409.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,933.23 : 28,399.51 = 5,606.16 : x
  2. Step 2: Convert to fraction form
    18,933.23/28,399.51 = 5,606.16/x
  3. Step 3: Cross multiply
    18,933.23x = 28,399.51 × 5,606.16
  4. Step 4: Simplify right side
    18,933.23x = 159,212,196.98
  5. Step 5: Solve for x
    x = 159,212,196.98/18,933.23
  6. Step 6: Final answer
    x = 8,409.14

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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.