Home / 14,134.77-19,504.53-8,168.36

Finding the Fourth Proportional to 14,134.77, 19,504.53 and 8,168.36

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Solution

The fourth proportional to 14,134.77, 19,504.53 and 8,168.36 is: 11,271.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134.77 : 19,504.53 = 8,168.36 : x
  2. Step 2: Convert to fraction form
    14,134.77/19,504.53 = 8,168.36/x
  3. Step 3: Cross multiply
    14,134.77x = 19,504.53 × 8,168.36
  4. Step 4: Simplify right side
    14,134.77x = 159,319,925.15
  5. Step 5: Solve for x
    x = 159,319,925.15/14,134.77
  6. Step 6: Final answer
    x = 11,271.49

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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.