Home / 25,762.68-35,542.26-15,135.48

Finding the Fourth Proportional to 25,762.68, 35,542.26 and 15,135.48

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Solution

The fourth proportional to 25,762.68, 35,542.26 and 15,135.48 is: 20,880.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,762.68 : 35,542.26 = 15,135.48 : x
  2. Step 2: Convert to fraction form
    25,762.68/35,542.26 = 15,135.48/x
  3. Step 3: Cross multiply
    25,762.68x = 35,542.26 × 15,135.48
  4. Step 4: Simplify right side
    25,762.68x = 537,949,165.38
  5. Step 5: Solve for x
    x = 537,949,165.38/25,762.68
  6. Step 6: Final answer
    x = 20,880.95

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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.