Home / 15,824.45-23,715.71-8,412.95

Finding the Fourth Proportional to 15,824.45, 23,715.71 and 8,412.95

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Solution

The fourth proportional to 15,824.45, 23,715.71 and 8,412.95 is: 12,608.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,824.45 : 23,715.71 = 8,412.95 : x
  2. Step 2: Convert to fraction form
    15,824.45/23,715.71 = 8,412.95/x
  3. Step 3: Cross multiply
    15,824.45x = 23,715.71 × 8,412.95
  4. Step 4: Simplify right side
    15,824.45x = 199,518,953.35
  5. Step 5: Solve for x
    x = 199,518,953.35/15,824.45
  6. Step 6: Final answer
    x = 12,608.27

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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.