Home / 19,565.34-26,991.20-11,604.66

Finding the Fourth Proportional to 19,565.34, 26,991.20 and 11,604.66

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Solution

The fourth proportional to 19,565.34, 26,991.20 and 11,604.66 is: 16,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,565.34 : 26,991.20 = 11,604.66 : x
  2. Step 2: Convert to fraction form
    19,565.34/26,991.20 = 11,604.66/x
  3. Step 3: Cross multiply
    19,565.34x = 26,991.20 × 11,604.66
  4. Step 4: Simplify right side
    19,565.34x = 313,223,698.99
  5. Step 5: Solve for x
    x = 313,223,698.99/19,565.34
  6. Step 6: Final answer
    x = 16,009.11

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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.