Home / 28,423.16-42,616.51-11,794.67

Finding the Fourth Proportional to 28,423.16, 42,616.51 and 11,794.67

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Solution

The fourth proportional to 28,423.16, 42,616.51 and 11,794.67 is: 17,684.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,423.16 : 42,616.51 = 11,794.67 : x
  2. Step 2: Convert to fraction form
    28,423.16/42,616.51 = 11,794.67/x
  3. Step 3: Cross multiply
    28,423.16x = 42,616.51 × 11,794.67
  4. Step 4: Simplify right side
    28,423.16x = 502,647,655.59
  5. Step 5: Solve for x
    x = 502,647,655.59/28,423.16
  6. Step 6: Final answer
    x = 17,684.44

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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.