Home / 19,211.55-26,514.53-11,256.95

Finding the Fourth Proportional to 19,211.55, 26,514.53 and 11,256.95

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Solution

The fourth proportional to 19,211.55, 26,514.53 and 11,256.95 is: 15,536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.55 : 26,514.53 = 11,256.95 : x
  2. Step 2: Convert to fraction form
    19,211.55/26,514.53 = 11,256.95/x
  3. Step 3: Cross multiply
    19,211.55x = 26,514.53 × 11,256.95
  4. Step 4: Simplify right side
    19,211.55x = 298,472,549.63
  5. Step 5: Solve for x
    x = 298,472,549.63/19,211.55
  6. Step 6: Final answer
    x = 15,536.10

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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.