Home / 13,516.32-18,652.32-7,548.08

Finding the Fourth Proportional to 13,516.32, 18,652.32 and 7,548.08

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Solution

The fourth proportional to 13,516.32, 18,652.32 and 7,548.08 is: 10,416.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.32 : 18,652.32 = 7,548.08 : x
  2. Step 2: Convert to fraction form
    13,516.32/18,652.32 = 7,548.08/x
  3. Step 3: Cross multiply
    13,516.32x = 18,652.32 × 7,548.08
  4. Step 4: Simplify right side
    13,516.32x = 140,789,110.28
  5. Step 5: Solve for x
    x = 140,789,110.28/13,516.32
  6. Step 6: Final answer
    x = 10,416.23

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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.