Home / 13,070.55-18,028.16-8,037.53

Finding the Fourth Proportional to 13,070.55, 18,028.16 and 8,037.53

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Solution

The fourth proportional to 13,070.55, 18,028.16 and 8,037.53 is: 11,086.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070.55 : 18,028.16 = 8,037.53 : x
  2. Step 2: Convert to fraction form
    13,070.55/18,028.16 = 8,037.53/x
  3. Step 3: Cross multiply
    13,070.55x = 18,028.16 × 8,037.53
  4. Step 4: Simplify right side
    13,070.55x = 144,901,942.01
  5. Step 5: Solve for x
    x = 144,901,942.01/13,070.55
  6. Step 6: Final answer
    x = 11,086.14

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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.