Home / 14,382.90-19,854.55-9,669.92

Finding the Fourth Proportional to 14,382.90, 19,854.55 and 9,669.92

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Solution

The fourth proportional to 14,382.90, 19,854.55 and 9,669.92 is: 13,348.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382.90 : 19,854.55 = 9,669.92 : x
  2. Step 2: Convert to fraction form
    14,382.90/19,854.55 = 9,669.92/x
  3. Step 3: Cross multiply
    14,382.90x = 19,854.55 × 9,669.92
  4. Step 4: Simplify right side
    14,382.90x = 191,991,762.51
  5. Step 5: Solve for x
    x = 191,991,762.51/14,382.90
  6. Step 6: Final answer
    x = 13,348.61

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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.