Home / 27,670.95-38,174.36-18,113.18

Finding the Fourth Proportional to 27,670.95, 38,174.36 and 18,113.18

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Solution

The fourth proportional to 27,670.95, 38,174.36 and 18,113.18 is: 24,988.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,670.95 : 38,174.36 = 18,113.18 : x
  2. Step 2: Convert to fraction form
    27,670.95/38,174.36 = 18,113.18/x
  3. Step 3: Cross multiply
    27,670.95x = 38,174.36 × 18,113.18
  4. Step 4: Simplify right side
    27,670.95x = 691,458,772.63
  5. Step 5: Solve for x
    x = 691,458,772.63/27,670.95
  6. Step 6: Final answer
    x = 24,988.62

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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.