Home / 25,435.20-38,148.72-6,962.88

Finding the Fourth Proportional to 25,435.20, 38,148.72 and 6,962.88

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Solution

The fourth proportional to 25,435.20, 38,148.72 and 6,962.88 is: 10,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,435.20 : 38,148.72 = 6,962.88 : x
  2. Step 2: Convert to fraction form
    25,435.20/38,148.72 = 6,962.88/x
  3. Step 3: Cross multiply
    25,435.20x = 38,148.72 × 6,962.88
  4. Step 4: Simplify right side
    25,435.20x = 265,624,959.51
  5. Step 5: Solve for x
    x = 265,624,959.51/25,435.20
  6. Step 6: Final answer
    x = 10,443.20

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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.