Home / 13,733.64-18,952.20-7,766.46

Finding the Fourth Proportional to 13,733.64, 18,952.20 and 7,766.46

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Solution

The fourth proportional to 13,733.64, 18,952.20 and 7,766.46 is: 10,717.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.64 : 18,952.20 = 7,766.46 : x
  2. Step 2: Convert to fraction form
    13,733.64/18,952.20 = 7,766.46/x
  3. Step 3: Cross multiply
    13,733.64x = 18,952.20 × 7,766.46
  4. Step 4: Simplify right side
    13,733.64x = 147,191,503.21
  5. Step 5: Solve for x
    x = 147,191,503.21/13,733.64
  6. Step 6: Final answer
    x = 10,717.59

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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.