Home / 14,133.68-21,200.60-4,272.92

Finding the Fourth Proportional to 14,133.68, 21,200.60 and 4,272.92

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Solution

The fourth proportional to 14,133.68, 21,200.60 and 4,272.92 is: 6,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.68 : 21,200.60 = 4,272.92 : x
  2. Step 2: Convert to fraction form
    14,133.68/21,200.60 = 4,272.92/x
  3. Step 3: Cross multiply
    14,133.68x = 21,200.60 × 4,272.92
  4. Step 4: Simplify right side
    14,133.68x = 90,588,467.75
  5. Step 5: Solve for x
    x = 90,588,467.75/14,133.68
  6. Step 6: Final answer
    x = 6,409.40

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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.