Home / 14,957.33-20,641.77-8,243.64

Finding the Fourth Proportional to 14,957.33, 20,641.77 and 8,243.64

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Solution

The fourth proportional to 14,957.33, 20,641.77 and 8,243.64 is: 11,376.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,957.33 : 20,641.77 = 8,243.64 : x
  2. Step 2: Convert to fraction form
    14,957.33/20,641.77 = 8,243.64/x
  3. Step 3: Cross multiply
    14,957.33x = 20,641.77 × 8,243.64
  4. Step 4: Simplify right side
    14,957.33x = 170,163,320.84
  5. Step 5: Solve for x
    x = 170,163,320.84/14,957.33
  6. Step 6: Final answer
    x = 11,376.59

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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.