Home / 14,953.76-20,637.96-8,666.48

Finding the Fourth Proportional to 14,953.76, 20,637.96 and 8,666.48

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Solution

The fourth proportional to 14,953.76, 20,637.96 and 8,666.48 is: 11,960.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,953.76 : 20,637.96 = 8,666.48 : x
  2. Step 2: Convert to fraction form
    14,953.76/20,637.96 = 8,666.48/x
  3. Step 3: Cross multiply
    14,953.76x = 20,637.96 × 8,666.48
  4. Step 4: Simplify right side
    14,953.76x = 178,858,467.58
  5. Step 5: Solve for x
    x = 178,858,467.58/14,953.76
  6. Step 6: Final answer
    x = 11,960.77

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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.