Home / 14,070.62-19,417.66-8,103.36

Finding the Fourth Proportional to 14,070.62, 19,417.66 and 8,103.36

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Solution

The fourth proportional to 14,070.62, 19,417.66 and 8,103.36 is: 11,182.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.62 : 19,417.66 = 8,103.36 : x
  2. Step 2: Convert to fraction form
    14,070.62/19,417.66 = 8,103.36/x
  3. Step 3: Cross multiply
    14,070.62x = 19,417.66 × 8,103.36
  4. Step 4: Simplify right side
    14,070.62x = 157,348,289.34
  5. Step 5: Solve for x
    x = 157,348,289.34/14,070.62
  6. Step 6: Final answer
    x = 11,182.75

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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.