Home / 12,409.38-18,596.70-9,622.98

Finding the Fourth Proportional to 12,409.38, 18,596.70 and 9,622.98

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Solution

The fourth proportional to 12,409.38, 18,596.70 and 9,622.98 is: 14,421.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,409.38 : 18,596.70 = 9,622.98 : x
  2. Step 2: Convert to fraction form
    12,409.38/18,596.70 = 9,622.98/x
  3. Step 3: Cross multiply
    12,409.38x = 18,596.70 × 9,622.98
  4. Step 4: Simplify right side
    12,409.38x = 178,955,672.17
  5. Step 5: Solve for x
    x = 178,955,672.17/12,409.38
  6. Step 6: Final answer
    x = 14,421.00

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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.