Home / 18,365.56-25,345.26-11,294.32

Finding the Fourth Proportional to 18,365.56, 25,345.26 and 11,294.32

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Solution

The fourth proportional to 18,365.56, 25,345.26 and 11,294.32 is: 15,586.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365.56 : 25,345.26 = 11,294.32 : x
  2. Step 2: Convert to fraction form
    18,365.56/25,345.26 = 11,294.32/x
  3. Step 3: Cross multiply
    18,365.56x = 25,345.26 × 11,294.32
  4. Step 4: Simplify right side
    18,365.56x = 286,257,476.92
  5. Step 5: Solve for x
    x = 286,257,476.92/18,365.56
  6. Step 6: Final answer
    x = 15,586.65

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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.