Home / 19,565.48-27,006.80-11,908.76

Finding the Fourth Proportional to 19,565.48, 27,006.80 and 11,908.76

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Solution

The fourth proportional to 19,565.48, 27,006.80 and 11,908.76 is: 16,438.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,565.48 : 27,006.80 = 11,908.76 : x
  2. Step 2: Convert to fraction form
    19,565.48/27,006.80 = 11,908.76/x
  3. Step 3: Cross multiply
    19,565.48x = 27,006.80 × 11,908.76
  4. Step 4: Simplify right side
    19,565.48x = 321,617,304.99
  5. Step 5: Solve for x
    x = 321,617,304.99/19,565.48
  6. Step 6: Final answer
    x = 16,438.00

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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.