Home / 13,157.08-19,725.54-5,360.92

Finding the Fourth Proportional to 13,157.08, 19,725.54 and 5,360.92

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Solution

The fourth proportional to 13,157.08, 19,725.54 and 5,360.92 is: 8,037.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157.08 : 19,725.54 = 5,360.92 : x
  2. Step 2: Convert to fraction form
    13,157.08/19,725.54 = 5,360.92/x
  3. Step 3: Cross multiply
    13,157.08x = 19,725.54 × 5,360.92
  4. Step 4: Simplify right side
    13,157.08x = 105,747,041.90
  5. Step 5: Solve for x
    x = 105,747,041.90/13,157.08
  6. Step 6: Final answer
    x = 8,037.27

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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.