Home / 19,627.11-27,075.88-11,663.70

Finding the Fourth Proportional to 19,627.11, 27,075.88 and 11,663.70

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Solution

The fourth proportional to 19,627.11, 27,075.88 and 11,663.70 is: 16,090.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,627.11 : 27,075.88 = 11,663.70 : x
  2. Step 2: Convert to fraction form
    19,627.11/27,075.88 = 11,663.70/x
  3. Step 3: Cross multiply
    19,627.11x = 27,075.88 × 11,663.70
  4. Step 4: Simplify right side
    19,627.11x = 315,804,854.60
  5. Step 5: Solve for x
    x = 315,804,854.60/19,627.11
  6. Step 6: Final answer
    x = 16,090.24

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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.