Home / 25,510.14-38,272.23-18,161.42

Finding the Fourth Proportional to 25,510.14, 38,272.23 and 18,161.42

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Solution

The fourth proportional to 25,510.14, 38,272.23 and 18,161.42 is: 27,247.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,510.14 : 38,272.23 = 18,161.42 : x
  2. Step 2: Convert to fraction form
    25,510.14/38,272.23 = 18,161.42/x
  3. Step 3: Cross multiply
    25,510.14x = 38,272.23 × 18,161.42
  4. Step 4: Simplify right side
    25,510.14x = 695,077,852.01
  5. Step 5: Solve for x
    x = 695,077,852.01/25,510.14
  6. Step 6: Final answer
    x = 27,247.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.