Home / 25,943.68-35,802.34-15,186.60

Finding the Fourth Proportional to 25,943.68, 35,802.34 and 15,186.60

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Solution

The fourth proportional to 25,943.68, 35,802.34 and 15,186.60 is: 20,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,943.68 : 35,802.34 = 15,186.60 : x
  2. Step 2: Convert to fraction form
    25,943.68/35,802.34 = 15,186.60/x
  3. Step 3: Cross multiply
    25,943.68x = 35,802.34 × 15,186.60
  4. Step 4: Simplify right side
    25,943.68x = 543,715,816.64
  5. Step 5: Solve for x
    x = 543,715,816.64/25,943.68
  6. Step 6: Final answer
    x = 20,957.54

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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.