Home / 27,114.55-37,418.05-15,178.08

Finding the Fourth Proportional to 27,114.55, 37,418.05 and 15,178.08

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Solution

The fourth proportional to 27,114.55, 37,418.05 and 15,178.08 is: 20,945.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,114.55 : 37,418.05 = 15,178.08 : x
  2. Step 2: Convert to fraction form
    27,114.55/37,418.05 = 15,178.08/x
  3. Step 3: Cross multiply
    27,114.55x = 37,418.05 × 15,178.08
  4. Step 4: Simplify right side
    27,114.55x = 567,934,315.63
  5. Step 5: Solve for x
    x = 567,934,315.63/27,114.55
  6. Step 6: Final answer
    x = 20,945.74

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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.