Home / 19,823.52-27,355.58-11,870.12

Finding the Fourth Proportional to 19,823.52, 27,355.58 and 11,870.12

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Solution

The fourth proportional to 19,823.52, 27,355.58 and 11,870.12 is: 16,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.52 : 27,355.58 = 11,870.12 : x
  2. Step 2: Convert to fraction form
    19,823.52/27,355.58 = 11,870.12/x
  3. Step 3: Cross multiply
    19,823.52x = 27,355.58 × 11,870.12
  4. Step 4: Simplify right side
    19,823.52x = 324,714,017.27
  5. Step 5: Solve for x
    x = 324,714,017.27/19,823.52
  6. Step 6: Final answer
    x = 16,380.24

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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.