Home / 18,400.04-25,395.36-10,845.92

Finding the Fourth Proportional to 18,400.04, 25,395.36 and 10,845.92

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Solution

The fourth proportional to 18,400.04, 25,395.36 and 10,845.92 is: 14,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.04 : 25,395.36 = 10,845.92 : x
  2. Step 2: Convert to fraction form
    18,400.04/25,395.36 = 10,845.92/x
  3. Step 3: Cross multiply
    18,400.04x = 25,395.36 × 10,845.92
  4. Step 4: Simplify right side
    18,400.04x = 275,435,915.95
  5. Step 5: Solve for x
    x = 275,435,915.95/18,400.04
  6. Step 6: Final answer
    x = 14,969.31

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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.