Home / 32,665.28-49,000.20-12,943.78

Finding the Fourth Proportional to 32,665.28, 49,000.20 and 12,943.78

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Solution

The fourth proportional to 32,665.28, 49,000.20 and 12,943.78 is: 19,416.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,665.28 : 49,000.20 = 12,943.78 : x
  2. Step 2: Convert to fraction form
    32,665.28/49,000.20 = 12,943.78/x
  3. Step 3: Cross multiply
    32,665.28x = 49,000.20 × 12,943.78
  4. Step 4: Simplify right side
    32,665.28x = 634,247,808.76
  5. Step 5: Solve for x
    x = 634,247,808.76/32,665.28
  6. Step 6: Final answer
    x = 19,416.57

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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.