Home / 19,686.81-29,523.79-6,535.65

Finding the Fourth Proportional to 19,686.81, 29,523.79 and 6,535.65

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Solution

The fourth proportional to 19,686.81, 29,523.79 and 6,535.65 is: 9,801.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.81 : 29,523.79 = 6,535.65 : x
  2. Step 2: Convert to fraction form
    19,686.81/29,523.79 = 6,535.65/x
  3. Step 3: Cross multiply
    19,686.81x = 29,523.79 × 6,535.65
  4. Step 4: Simplify right side
    19,686.81x = 192,957,158.11
  5. Step 5: Solve for x
    x = 192,957,158.11/19,686.81
  6. Step 6: Final answer
    x = 9,801.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.