Home / 18,637.44-25,719.88-10,254

Finding the Fourth Proportional to 18,637.44, 25,719.88 and 10,254

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Solution

The fourth proportional to 18,637.44, 25,719.88 and 10,254 is: 14,150.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637.44 : 25,719.88 = 10,254 : x
  2. Step 2: Convert to fraction form
    18,637.44/25,719.88 = 10,254/x
  3. Step 3: Cross multiply
    18,637.44x = 25,719.88 × 10,254
  4. Step 4: Simplify right side
    18,637.44x = 263,731,649.52
  5. Step 5: Solve for x
    x = 263,731,649.52/18,637.44
  6. Step 6: Final answer
    x = 14,150.64

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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.