Home / 18,862.99-26,031.63-11,310.55

Finding the Fourth Proportional to 18,862.99, 26,031.63 and 11,310.55

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Solution

The fourth proportional to 18,862.99, 26,031.63 and 11,310.55 is: 15,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.99 : 26,031.63 = 11,310.55 : x
  2. Step 2: Convert to fraction form
    18,862.99/26,031.63 = 11,310.55/x
  3. Step 3: Cross multiply
    18,862.99x = 26,031.63 × 11,310.55
  4. Step 4: Simplify right side
    18,862.99x = 294,432,052.70
  5. Step 5: Solve for x
    x = 294,432,052.70/18,862.99
  6. Step 6: Final answer
    x = 15,608.98

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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.