Home / 16,674.23-23,010.80-9,120.84

Finding the Fourth Proportional to 16,674.23, 23,010.80 and 9,120.84

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Solution

The fourth proportional to 16,674.23, 23,010.80 and 9,120.84 is: 12,586.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,674.23 : 23,010.80 = 9,120.84 : x
  2. Step 2: Convert to fraction form
    16,674.23/23,010.80 = 9,120.84/x
  3. Step 3: Cross multiply
    16,674.23x = 23,010.80 × 9,120.84
  4. Step 4: Simplify right side
    16,674.23x = 209,877,779.47
  5. Step 5: Solve for x
    x = 209,877,779.47/16,674.23
  6. Step 6: Final answer
    x = 12,586.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.