Home / 27,475.95-37,910.43-18,985.53

Finding the Fourth Proportional to 27,475.95, 37,910.43 and 18,985.53

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Solution

The fourth proportional to 27,475.95, 37,910.43 and 18,985.53 is: 26,195.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,475.95 : 37,910.43 = 18,985.53 : x
  2. Step 2: Convert to fraction form
    27,475.95/37,910.43 = 18,985.53/x
  3. Step 3: Cross multiply
    27,475.95x = 37,910.43 × 18,985.53
  4. Step 4: Simplify right side
    27,475.95x = 719,749,606.08
  5. Step 5: Solve for x
    x = 719,749,606.08/27,475.95
  6. Step 6: Final answer
    x = 26,195.62

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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.