Home / 19,049.34-26,279.13-11,970.75

Finding the Fourth Proportional to 19,049.34, 26,279.13 and 11,970.75

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Solution

The fourth proportional to 19,049.34, 26,279.13 and 11,970.75 is: 16,514.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,049.34 : 26,279.13 = 11,970.75 : x
  2. Step 2: Convert to fraction form
    19,049.34/26,279.13 = 11,970.75/x
  3. Step 3: Cross multiply
    19,049.34x = 26,279.13 × 11,970.75
  4. Step 4: Simplify right side
    19,049.34x = 314,580,895.45
  5. Step 5: Solve for x
    x = 314,580,895.45/19,049.34
  6. Step 6: Final answer
    x = 16,514.00

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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.