Home / 25,423.20-38,130.72-6,950.88

Finding the Fourth Proportional to 25,423.20, 38,130.72 and 6,950.88

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Solution

The fourth proportional to 25,423.20, 38,130.72 and 6,950.88 is: 10,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,423.20 : 38,130.72 = 6,950.88 : x
  2. Step 2: Convert to fraction form
    25,423.20/38,130.72 = 6,950.88/x
  3. Step 3: Cross multiply
    25,423.20x = 38,130.72 × 6,950.88
  4. Step 4: Simplify right side
    25,423.20x = 265,042,059.03
  5. Step 5: Solve for x
    x = 265,042,059.03/25,423.20
  6. Step 6: Final answer
    x = 10,425.20

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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.