Home / 13,565.24-18,721.18-7,596.82

Finding the Fourth Proportional to 13,565.24, 18,721.18 and 7,596.82

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Solution

The fourth proportional to 13,565.24, 18,721.18 and 7,596.82 is: 10,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.24 : 18,721.18 = 7,596.82 : x
  2. Step 2: Convert to fraction form
    13,565.24/18,721.18 = 7,596.82/x
  3. Step 3: Cross multiply
    13,565.24x = 18,721.18 × 7,596.82
  4. Step 4: Simplify right side
    13,565.24x = 142,221,434.65
  5. Step 5: Solve for x
    x = 142,221,434.65/13,565.24
  6. Step 6: Final answer
    x = 10,484.25

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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.