Home / 19,570.13-27,006.77-11,186.81

Finding the Fourth Proportional to 19,570.13, 27,006.77 and 11,186.81

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Solution

The fourth proportional to 19,570.13, 27,006.77 and 11,186.81 is: 15,437.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570.13 : 27,006.77 = 11,186.81 : x
  2. Step 2: Convert to fraction form
    19,570.13/27,006.77 = 11,186.81/x
  3. Step 3: Cross multiply
    19,570.13x = 27,006.77 × 11,186.81
  4. Step 4: Simplify right side
    19,570.13x = 302,119,497.64
  5. Step 5: Solve for x
    x = 302,119,497.64/19,570.13
  6. Step 6: Final answer
    x = 15,437.79

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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.