Home / 18,349.04-25,323.36-10,391.60

Finding the Fourth Proportional to 18,349.04, 25,323.36 and 10,391.60

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Solution

The fourth proportional to 18,349.04, 25,323.36 and 10,391.60 is: 14,341.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.04 : 25,323.36 = 10,391.60 : x
  2. Step 2: Convert to fraction form
    18,349.04/25,323.36 = 10,391.60/x
  3. Step 3: Cross multiply
    18,349.04x = 25,323.36 × 10,391.60
  4. Step 4: Simplify right side
    18,349.04x = 263,150,227.78
  5. Step 5: Solve for x
    x = 263,150,227.78/18,349.04
  6. Step 6: Final answer
    x = 14,341.36

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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.