Home / 25,566.39-35,279.10-18,855.63

Finding the Fourth Proportional to 25,566.39, 35,279.10 and 18,855.63

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Solution

The fourth proportional to 25,566.39, 35,279.10 and 18,855.63 is: 26,018.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,566.39 : 35,279.10 = 18,855.63 : x
  2. Step 2: Convert to fraction form
    25,566.39/35,279.10 = 18,855.63/x
  3. Step 3: Cross multiply
    25,566.39x = 35,279.10 × 18,855.63
  4. Step 4: Simplify right side
    25,566.39x = 665,209,656.33
  5. Step 5: Solve for x
    x = 665,209,656.33/25,566.39
  6. Step 6: Final answer
    x = 26,018.91

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Double scale
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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.