Home / 13,733.16-18,951.66-7,445.49

Finding the Fourth Proportional to 13,733.16, 18,951.66 and 7,445.49

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Solution

The fourth proportional to 13,733.16, 18,951.66 and 7,445.49 is: 10,274.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.16 : 18,951.66 = 7,445.49 : x
  2. Step 2: Convert to fraction form
    13,733.16/18,951.66 = 7,445.49/x
  3. Step 3: Cross multiply
    13,733.16x = 18,951.66 × 7,445.49
  4. Step 4: Simplify right side
    13,733.16x = 141,104,395.01
  5. Step 5: Solve for x
    x = 141,104,395.01/13,733.16
  6. Step 6: Final answer
    x = 10,274.72

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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.