Home / 13,153.04-18,151.32-7,850.24

Finding the Fourth Proportional to 13,153.04, 18,151.32 and 7,850.24

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Solution

The fourth proportional to 13,153.04, 18,151.32 and 7,850.24 is: 10,833.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153.04 : 18,151.32 = 7,850.24 : x
  2. Step 2: Convert to fraction form
    13,153.04/18,151.32 = 7,850.24/x
  3. Step 3: Cross multiply
    13,153.04x = 18,151.32 × 7,850.24
  4. Step 4: Simplify right side
    13,153.04x = 142,492,218.32
  5. Step 5: Solve for x
    x = 142,492,218.32/13,153.04
  6. Step 6: Final answer
    x = 10,833.41

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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.