Home / 13,367.10-18,444.97-7,703.68

Finding the Fourth Proportional to 13,367.10, 18,444.97 and 7,703.68

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Solution

The fourth proportional to 13,367.10, 18,444.97 and 7,703.68 is: 10,630.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.10 : 18,444.97 = 7,703.68 : x
  2. Step 2: Convert to fraction form
    13,367.10/18,444.97 = 7,703.68/x
  3. Step 3: Cross multiply
    13,367.10x = 18,444.97 × 7,703.68
  4. Step 4: Simplify right side
    13,367.10x = 142,094,146.49
  5. Step 5: Solve for x
    x = 142,094,146.49/13,367.10
  6. Step 6: Final answer
    x = 10,630.14

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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.