Home / 25,530.32-38,295.51-12,384.62

Finding the Fourth Proportional to 25,530.32, 38,295.51 and 12,384.62

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Solution

The fourth proportional to 25,530.32, 38,295.51 and 12,384.62 is: 18,576.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,530.32 : 38,295.51 = 12,384.62 : x
  2. Step 2: Convert to fraction form
    25,530.32/38,295.51 = 12,384.62/x
  3. Step 3: Cross multiply
    25,530.32x = 38,295.51 × 12,384.62
  4. Step 4: Simplify right side
    25,530.32x = 474,275,339.06
  5. Step 5: Solve for x
    x = 474,275,339.06/25,530.32
  6. Step 6: Final answer
    x = 18,576.94

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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.