Home / 18,815.48-25,967.18-10,434.04

Finding the Fourth Proportional to 18,815.48, 25,967.18 and 10,434.04

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Solution

The fourth proportional to 18,815.48, 25,967.18 and 10,434.04 is: 14,399.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,815.48 : 25,967.18 = 10,434.04 : x
  2. Step 2: Convert to fraction form
    18,815.48/25,967.18 = 10,434.04/x
  3. Step 3: Cross multiply
    18,815.48x = 25,967.18 × 10,434.04
  4. Step 4: Simplify right side
    18,815.48x = 270,942,594.81
  5. Step 5: Solve for x
    x = 270,942,594.81/18,815.48
  6. Step 6: Final answer
    x = 14,399.98

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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.