Home / 18,756.05-25,882.31-10,256.48

Finding the Fourth Proportional to 18,756.05, 25,882.31 and 10,256.48

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Solution

The fourth proportional to 18,756.05, 25,882.31 and 10,256.48 is: 14,153.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756.05 : 25,882.31 = 10,256.48 : x
  2. Step 2: Convert to fraction form
    18,756.05/25,882.31 = 10,256.48/x
  3. Step 3: Cross multiply
    18,756.05x = 25,882.31 × 10,256.48
  4. Step 4: Simplify right side
    18,756.05x = 265,461,343.59
  5. Step 5: Solve for x
    x = 265,461,343.59/18,756.05
  6. Step 6: Final answer
    x = 14,153.37

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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.