Home / 19,973.04-27,561.47-11,020.61

Finding the Fourth Proportional to 19,973.04, 27,561.47 and 11,020.61

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Solution

The fourth proportional to 19,973.04, 27,561.47 and 11,020.61 is: 15,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.04 : 27,561.47 = 11,020.61 : x
  2. Step 2: Convert to fraction form
    19,973.04/27,561.47 = 11,020.61/x
  3. Step 3: Cross multiply
    19,973.04x = 27,561.47 × 11,020.61
  4. Step 4: Simplify right side
    19,973.04x = 303,744,018.99
  5. Step 5: Solve for x
    x = 303,744,018.99/19,973.04
  6. Step 6: Final answer
    x = 15,207.70

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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.