Home / 13,837.92-20,723.76-7,588.32

Finding the Fourth Proportional to 13,837.92, 20,723.76 and 7,588.32

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Solution

The fourth proportional to 13,837.92, 20,723.76 and 7,588.32 is: 11,364.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.92 : 20,723.76 = 7,588.32 : x
  2. Step 2: Convert to fraction form
    13,837.92/20,723.76 = 7,588.32/x
  3. Step 3: Cross multiply
    13,837.92x = 20,723.76 × 7,588.32
  4. Step 4: Simplify right side
    13,837.92x = 157,258,522.48
  5. Step 5: Solve for x
    x = 157,258,522.48/13,837.92
  6. Step 6: Final answer
    x = 11,364.32

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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.