Home / 19,605.60-27,054.06-11,649.72

Finding the Fourth Proportional to 19,605.60, 27,054.06 and 11,649.72

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Solution

The fourth proportional to 19,605.60, 27,054.06 and 11,649.72 is: 16,075.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,605.60 : 27,054.06 = 11,649.72 : x
  2. Step 2: Convert to fraction form
    19,605.60/27,054.06 = 11,649.72/x
  3. Step 3: Cross multiply
    19,605.60x = 27,054.06 × 11,649.72
  4. Step 4: Simplify right side
    19,605.60x = 315,172,223.86
  5. Step 5: Solve for x
    x = 315,172,223.86/19,605.60
  6. Step 6: Final answer
    x = 16,075.62

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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.