Home / 19,279.08-26,605.53-10,781.37

Finding the Fourth Proportional to 19,279.08, 26,605.53 and 10,781.37

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Solution

The fourth proportional to 19,279.08, 26,605.53 and 10,781.37 is: 14,878.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279.08 : 26,605.53 = 10,781.37 : x
  2. Step 2: Convert to fraction form
    19,279.08/26,605.53 = 10,781.37/x
  3. Step 3: Cross multiply
    19,279.08x = 26,605.53 × 10,781.37
  4. Step 4: Simplify right side
    19,279.08x = 286,844,062.98
  5. Step 5: Solve for x
    x = 286,844,062.98/19,279.08
  6. Step 6: Final answer
    x = 14,878.51

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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.