Home / 19,562.10-27,007.74-15,076.86

Finding the Fourth Proportional to 19,562.10, 27,007.74 and 15,076.86

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Solution

The fourth proportional to 19,562.10, 27,007.74 and 15,076.86 is: 20,815.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,562.10 : 27,007.74 = 15,076.86 : x
  2. Step 2: Convert to fraction form
    19,562.10/27,007.74 = 15,076.86/x
  3. Step 3: Cross multiply
    19,562.10x = 27,007.74 × 15,076.86
  4. Step 4: Simplify right side
    19,562.10x = 407,191,914.90
  5. Step 5: Solve for x
    x = 407,191,914.90/19,562.10
  6. Step 6: Final answer
    x = 20,815.35

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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.