Home / 25,142.86-34,697.16-13,964.86

Finding the Fourth Proportional to 25,142.86, 34,697.16 and 13,964.86

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Solution

The fourth proportional to 25,142.86, 34,697.16 and 13,964.86 is: 19,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,142.86 : 34,697.16 = 13,964.86 : x
  2. Step 2: Convert to fraction form
    25,142.86/34,697.16 = 13,964.86/x
  3. Step 3: Cross multiply
    25,142.86x = 34,697.16 × 13,964.86
  4. Step 4: Simplify right side
    25,142.86x = 484,540,981.80
  5. Step 5: Solve for x
    x = 484,540,981.80/25,142.86
  6. Step 6: Final answer
    x = 19,271.51

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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.