Home / 18,392.07-25,380.88-10,434.36

Finding the Fourth Proportional to 18,392.07, 25,380.88 and 10,434.36

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Solution

The fourth proportional to 18,392.07, 25,380.88 and 10,434.36 is: 14,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392.07 : 25,380.88 = 10,434.36 : x
  2. Step 2: Convert to fraction form
    18,392.07/25,380.88 = 10,434.36/x
  3. Step 3: Cross multiply
    18,392.07x = 25,380.88 × 10,434.36
  4. Step 4: Simplify right side
    18,392.07x = 264,833,239.04
  5. Step 5: Solve for x
    x = 264,833,239.04/18,392.07
  6. Step 6: Final answer
    x = 14,399.32

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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.