Home / 18,725.10-25,829.58-12,008.28

Finding the Fourth Proportional to 18,725.10, 25,829.58 and 12,008.28

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Solution

The fourth proportional to 18,725.10, 25,829.58 and 12,008.28 is: 16,564.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.10 : 25,829.58 = 12,008.28 : x
  2. Step 2: Convert to fraction form
    18,725.10/25,829.58 = 12,008.28/x
  3. Step 3: Cross multiply
    18,725.10x = 25,829.58 × 12,008.28
  4. Step 4: Simplify right side
    18,725.10x = 310,168,828.92
  5. Step 5: Solve for x
    x = 310,168,828.92/18,725.10
  6. Step 6: Final answer
    x = 16,564.33

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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.