Home / 19,975.88-27,565.79-11,472.01

Finding the Fourth Proportional to 19,975.88, 27,565.79 and 11,472.01

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Solution

The fourth proportional to 19,975.88, 27,565.79 and 11,472.01 is: 15,830.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,975.88 : 27,565.79 = 11,472.01 : x
  2. Step 2: Convert to fraction form
    19,975.88/27,565.79 = 11,472.01/x
  3. Step 3: Cross multiply
    19,975.88x = 27,565.79 × 11,472.01
  4. Step 4: Simplify right side
    19,975.88x = 316,235,047.32
  5. Step 5: Solve for x
    x = 316,235,047.32/19,975.88
  6. Step 6: Final answer
    x = 15,830.84

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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.