Home / 19,824.90-27,358.32-11,441.40

Finding the Fourth Proportional to 19,824.90, 27,358.32 and 11,441.40

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Solution

The fourth proportional to 19,824.90, 27,358.32 and 11,441.40 is: 15,789.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.90 : 27,358.32 = 11,441.40 : x
  2. Step 2: Convert to fraction form
    19,824.90/27,358.32 = 11,441.40/x
  3. Step 3: Cross multiply
    19,824.90x = 27,358.32 × 11,441.40
  4. Step 4: Simplify right side
    19,824.90x = 313,017,482.45
  5. Step 5: Solve for x
    x = 313,017,482.45/19,824.90
  6. Step 6: Final answer
    x = 15,789.11

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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.