Home / 18,353.54-25,316.02-12,608.26

Finding the Fourth Proportional to 18,353.54, 25,316.02 and 12,608.26

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Solution

The fourth proportional to 18,353.54, 25,316.02 and 12,608.26 is: 17,391.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.54 : 25,316.02 = 12,608.26 : x
  2. Step 2: Convert to fraction form
    18,353.54/25,316.02 = 12,608.26/x
  3. Step 3: Cross multiply
    18,353.54x = 25,316.02 × 12,608.26
  4. Step 4: Simplify right side
    18,353.54x = 319,190,962.33
  5. Step 5: Solve for x
    x = 319,190,962.33/18,353.54
  6. Step 6: Final answer
    x = 17,391.25

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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.