Home / 24,270.84-36,415.02-8,478.20

Finding the Fourth Proportional to 24,270.84, 36,415.02 and 8,478.20

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Solution

The fourth proportional to 24,270.84, 36,415.02 and 8,478.20 is: 12,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,270.84 : 36,415.02 = 8,478.20 : x
  2. Step 2: Convert to fraction form
    24,270.84/36,415.02 = 8,478.20/x
  3. Step 3: Cross multiply
    24,270.84x = 36,415.02 × 8,478.20
  4. Step 4: Simplify right side
    24,270.84x = 308,733,822.56
  5. Step 5: Solve for x
    x = 308,733,822.56/24,270.84
  6. Step 6: Final answer
    x = 12,720.36

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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.