Home / 14,255.77-19,679.99-8,953.51

Finding the Fourth Proportional to 14,255.77, 19,679.99 and 8,953.51

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Solution

The fourth proportional to 14,255.77, 19,679.99 and 8,953.51 is: 12,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.77 : 19,679.99 = 8,953.51 : x
  2. Step 2: Convert to fraction form
    14,255.77/19,679.99 = 8,953.51/x
  3. Step 3: Cross multiply
    14,255.77x = 19,679.99 × 8,953.51
  4. Step 4: Simplify right side
    14,255.77x = 176,204,893.30
  5. Step 5: Solve for x
    x = 176,204,893.30/14,255.77
  6. Step 6: Final answer
    x = 12,360.25

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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.