Home / 25,390.88-35,042.55-15,325.10

Finding the Fourth Proportional to 25,390.88, 35,042.55 and 15,325.10

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Solution

The fourth proportional to 25,390.88, 35,042.55 and 15,325.10 is: 21,150.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,390.88 : 35,042.55 = 15,325.10 : x
  2. Step 2: Convert to fraction form
    25,390.88/35,042.55 = 15,325.10/x
  3. Step 3: Cross multiply
    25,390.88x = 35,042.55 × 15,325.10
  4. Step 4: Simplify right side
    25,390.88x = 537,030,583.01
  5. Step 5: Solve for x
    x = 537,030,583.01/25,390.88
  6. Step 6: Final answer
    x = 21,150.53

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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.