Home / 27,191.89-40,788.94-12,953.04

Finding the Fourth Proportional to 27,191.89, 40,788.94 and 12,953.04

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Solution

The fourth proportional to 27,191.89, 40,788.94 and 12,953.04 is: 19,430.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,191.89 : 40,788.94 = 12,953.04 : x
  2. Step 2: Convert to fraction form
    27,191.89/40,788.94 = 12,953.04/x
  3. Step 3: Cross multiply
    27,191.89x = 40,788.94 × 12,953.04
  4. Step 4: Simplify right side
    27,191.89x = 528,340,829.43
  5. Step 5: Solve for x
    x = 528,340,829.43/27,191.89
  6. Step 6: Final answer
    x = 19,430.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.