Home / 19,279.98-26,604.32-10,781.24

Finding the Fourth Proportional to 19,279.98, 26,604.32 and 10,781.24

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Solution

The fourth proportional to 19,279.98, 26,604.32 and 10,781.24 is: 14,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279.98 : 26,604.32 = 10,781.24 : x
  2. Step 2: Convert to fraction form
    19,279.98/26,604.32 = 10,781.24/x
  3. Step 3: Cross multiply
    19,279.98x = 26,604.32 × 10,781.24
  4. Step 4: Simplify right side
    19,279.98x = 286,827,372.03
  5. Step 5: Solve for x
    x = 286,827,372.03/19,279.98
  6. Step 6: Final answer
    x = 14,876.95

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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.