Home / 13,093.56-18,070.96-7,429.70

Finding the Fourth Proportional to 13,093.56, 18,070.96 and 7,429.70

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Solution

The fourth proportional to 13,093.56, 18,070.96 and 7,429.70 is: 10,254.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,093.56 : 18,070.96 = 7,429.70 : x
  2. Step 2: Convert to fraction form
    13,093.56/18,070.96 = 7,429.70/x
  3. Step 3: Cross multiply
    13,093.56x = 18,070.96 × 7,429.70
  4. Step 4: Simplify right side
    13,093.56x = 134,261,811.51
  5. Step 5: Solve for x
    x = 134,261,811.51/13,093.56
  6. Step 6: Final answer
    x = 10,254.03

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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.