Home / 19,674.46-29,487.79-9,130.15

Finding the Fourth Proportional to 19,674.46, 29,487.79 and 9,130.15

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Solution

The fourth proportional to 19,674.46, 29,487.79 and 9,130.15 is: 13,684.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,674.46 : 29,487.79 = 9,130.15 : x
  2. Step 2: Convert to fraction form
    19,674.46/29,487.79 = 9,130.15/x
  3. Step 3: Cross multiply
    19,674.46x = 29,487.79 × 9,130.15
  4. Step 4: Simplify right side
    19,674.46x = 269,227,945.87
  5. Step 5: Solve for x
    x = 269,227,945.87/19,674.46
  6. Step 6: Final answer
    x = 13,684.13

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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.