Home / 14,117.04-19,477.12-8,147.92

Finding the Fourth Proportional to 14,117.04, 19,477.12 and 8,147.92

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Solution

The fourth proportional to 14,117.04, 19,477.12 and 8,147.92 is: 11,241.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.04 : 19,477.12 = 8,147.92 : x
  2. Step 2: Convert to fraction form
    14,117.04/19,477.12 = 8,147.92/x
  3. Step 3: Cross multiply
    14,117.04x = 19,477.12 × 8,147.92
  4. Step 4: Simplify right side
    14,117.04x = 158,698,015.59
  5. Step 5: Solve for x
    x = 158,698,015.59/14,117.04
  6. Step 6: Final answer
    x = 11,241.59

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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.