Home / 19,646.13-27,106.95-11,580.11

Finding the Fourth Proportional to 19,646.13, 27,106.95 and 11,580.11

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Solution

The fourth proportional to 19,646.13, 27,106.95 and 11,580.11 is: 15,977.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,646.13 : 27,106.95 = 11,580.11 : x
  2. Step 2: Convert to fraction form
    19,646.13/27,106.95 = 11,580.11/x
  3. Step 3: Cross multiply
    19,646.13x = 27,106.95 × 11,580.11
  4. Step 4: Simplify right side
    19,646.13x = 313,901,462.76
  5. Step 5: Solve for x
    x = 313,901,462.76/19,646.13
  6. Step 6: Final answer
    x = 15,977.78

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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.