Home / 13,070.58-18,037.34-7,696.14

Finding the Fourth Proportional to 13,070.58, 18,037.34 and 7,696.14

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Solution

The fourth proportional to 13,070.58, 18,037.34 and 7,696.14 is: 10,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070.58 : 18,037.34 = 7,696.14 : x
  2. Step 2: Convert to fraction form
    13,070.58/18,037.34 = 7,696.14/x
  3. Step 3: Cross multiply
    13,070.58x = 18,037.34 × 7,696.14
  4. Step 4: Simplify right side
    13,070.58x = 138,817,893.87
  5. Step 5: Solve for x
    x = 138,817,893.87/13,070.58
  6. Step 6: Final answer
    x = 10,620.64

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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.