Home / 14,418.16-19,884.63-9,380.54

Finding the Fourth Proportional to 14,418.16, 19,884.63 and 9,380.54

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Solution

The fourth proportional to 14,418.16, 19,884.63 and 9,380.54 is: 12,937.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.16 : 19,884.63 = 9,380.54 : x
  2. Step 2: Convert to fraction form
    14,418.16/19,884.63 = 9,380.54/x
  3. Step 3: Cross multiply
    14,418.16x = 19,884.63 × 9,380.54
  4. Step 4: Simplify right side
    14,418.16x = 186,528,567.10
  5. Step 5: Solve for x
    x = 186,528,567.10/14,418.16
  6. Step 6: Final answer
    x = 12,937.06

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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.