Home / 20,011.07-27,594.54-17,187.77

Finding the Fourth Proportional to 20,011.07, 27,594.54 and 17,187.77

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Solution

The fourth proportional to 20,011.07, 27,594.54 and 17,187.77 is: 23,701.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011.07 : 27,594.54 = 17,187.77 : x
  2. Step 2: Convert to fraction form
    20,011.07/27,594.54 = 17,187.77/x
  3. Step 3: Cross multiply
    20,011.07x = 27,594.54 × 17,187.77
  4. Step 4: Simplify right side
    20,011.07x = 474,288,675.76
  5. Step 5: Solve for x
    x = 474,288,675.76/20,011.07
  6. Step 6: Final answer
    x = 23,701.31

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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.