Home / 24,278.37-36,421.40-8,487.78

Finding the Fourth Proportional to 24,278.37, 36,421.40 and 8,487.78

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Solution

The fourth proportional to 24,278.37, 36,421.40 and 8,487.78 is: 12,733.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,278.37 : 36,421.40 = 8,487.78 : x
  2. Step 2: Convert to fraction form
    24,278.37/36,421.40 = 8,487.78/x
  3. Step 3: Cross multiply
    24,278.37x = 36,421.40 × 8,487.78
  4. Step 4: Simplify right side
    24,278.37x = 309,136,830.49
  5. Step 5: Solve for x
    x = 309,136,830.49/24,278.37
  6. Step 6: Final answer
    x = 12,733.01

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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.