Home / 27,191.04-37,483.92-19,219.20

Finding the Fourth Proportional to 27,191.04, 37,483.92 and 19,219.20

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Solution

The fourth proportional to 27,191.04, 37,483.92 and 19,219.20 is: 26,494.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,191.04 : 37,483.92 = 19,219.20 : x
  2. Step 2: Convert to fraction form
    27,191.04/37,483.92 = 19,219.20/x
  3. Step 3: Cross multiply
    27,191.04x = 37,483.92 × 19,219.20
  4. Step 4: Simplify right side
    27,191.04x = 720,410,955.26
  5. Step 5: Solve for x
    x = 720,410,955.26/27,191.04
  6. Step 6: Final answer
    x = 26,494.42

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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.