Home / 19,577.14-27,009.37-12,866.42

Finding the Fourth Proportional to 19,577.14, 27,009.37 and 12,866.42

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Solution

The fourth proportional to 19,577.14, 27,009.37 and 12,866.42 is: 17,751.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.14 : 27,009.37 = 12,866.42 : x
  2. Step 2: Convert to fraction form
    19,577.14/27,009.37 = 12,866.42/x
  3. Step 3: Cross multiply
    19,577.14x = 27,009.37 × 12,866.42
  4. Step 4: Simplify right side
    19,577.14x = 347,513,898.36
  5. Step 5: Solve for x
    x = 347,513,898.36/19,577.14
  6. Step 6: Final answer
    x = 17,751.00

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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.