Home / 13,733.24-18,951.88-7,445.64

Finding the Fourth Proportional to 13,733.24, 18,951.88 and 7,445.64

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Solution

The fourth proportional to 13,733.24, 18,951.88 and 7,445.64 is: 10,274.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.24 : 18,951.88 = 7,445.64 : x
  2. Step 2: Convert to fraction form
    13,733.24/18,951.88 = 7,445.64/x
  3. Step 3: Cross multiply
    13,733.24x = 18,951.88 × 7,445.64
  4. Step 4: Simplify right side
    13,733.24x = 141,108,875.80
  5. Step 5: Solve for x
    x = 141,108,875.80/13,733.24
  6. Step 6: Final answer
    x = 10,274.99

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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.