Home / 19,979.04-27,570.96-11,595.36

Finding the Fourth Proportional to 19,979.04, 27,570.96 and 11,595.36

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Solution

The fourth proportional to 19,979.04, 27,570.96 and 11,595.36 is: 16,001.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979.04 : 27,570.96 = 11,595.36 : x
  2. Step 2: Convert to fraction form
    19,979.04/27,570.96 = 11,595.36/x
  3. Step 3: Cross multiply
    19,979.04x = 27,570.96 × 11,595.36
  4. Step 4: Simplify right side
    19,979.04x = 319,695,206.75
  5. Step 5: Solve for x
    x = 319,695,206.75/19,979.04
  6. Step 6: Final answer
    x = 16,001.53

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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.