Home / 13,433.64-20,153.88-4,668.72

Finding the Fourth Proportional to 13,433.64, 20,153.88 and 4,668.72

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Solution

The fourth proportional to 13,433.64, 20,153.88 and 4,668.72 is: 7,004.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433.64 : 20,153.88 = 4,668.72 : x
  2. Step 2: Convert to fraction form
    13,433.64/20,153.88 = 4,668.72/x
  3. Step 3: Cross multiply
    13,433.64x = 20,153.88 × 4,668.72
  4. Step 4: Simplify right side
    13,433.64x = 94,092,822.63
  5. Step 5: Solve for x
    x = 94,092,822.63/13,433.64
  6. Step 6: Final answer
    x = 7,004.27

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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.