Home / 16,674.48-23,011.36-9,121.30

Finding the Fourth Proportional to 16,674.48, 23,011.36 and 9,121.30

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Solution

The fourth proportional to 16,674.48, 23,011.36 and 9,121.30 is: 12,587.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,674.48 : 23,011.36 = 9,121.30 : x
  2. Step 2: Convert to fraction form
    16,674.48/23,011.36 = 9,121.30/x
  3. Step 3: Cross multiply
    16,674.48x = 23,011.36 × 9,121.30
  4. Step 4: Simplify right side
    16,674.48x = 209,893,437.64
  5. Step 5: Solve for x
    x = 209,893,437.64/16,674.48
  6. Step 6: Final answer
    x = 12,587.71

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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.