Home / 14,177.14-19,565.22-7,889.65

Finding the Fourth Proportional to 14,177.14, 19,565.22 and 7,889.65

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Solution

The fourth proportional to 14,177.14, 19,565.22 and 7,889.65 is: 10,888.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.14 : 19,565.22 = 7,889.65 : x
  2. Step 2: Convert to fraction form
    14,177.14/19,565.22 = 7,889.65/x
  3. Step 3: Cross multiply
    14,177.14x = 19,565.22 × 7,889.65
  4. Step 4: Simplify right side
    14,177.14x = 154,362,737.97
  5. Step 5: Solve for x
    x = 154,362,737.97/14,177.14
  6. Step 6: Final answer
    x = 10,888.14

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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.