Home / 34,409.14-51,618.84-12,220.68

Finding the Fourth Proportional to 34,409.14, 51,618.84 and 12,220.68

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Solution

The fourth proportional to 34,409.14, 51,618.84 and 12,220.68 is: 18,332.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,409.14 : 51,618.84 = 12,220.68 : x
  2. Step 2: Convert to fraction form
    34,409.14/51,618.84 = 12,220.68/x
  3. Step 3: Cross multiply
    34,409.14x = 51,618.84 × 12,220.68
  4. Step 4: Simplify right side
    34,409.14x = 630,817,325.61
  5. Step 5: Solve for x
    x = 630,817,325.61/34,409.14
  6. Step 6: Final answer
    x = 18,332.84

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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.