Home / 14,070.08-19,419.06-8,100.62

Finding the Fourth Proportional to 14,070.08, 19,419.06 and 8,100.62

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Solution

The fourth proportional to 14,070.08, 19,419.06 and 8,100.62 is: 11,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.08 : 19,419.06 = 8,100.62 : x
  2. Step 2: Convert to fraction form
    14,070.08/19,419.06 = 8,100.62/x
  3. Step 3: Cross multiply
    14,070.08x = 19,419.06 × 8,100.62
  4. Step 4: Simplify right side
    14,070.08x = 157,306,425.82
  5. Step 5: Solve for x
    x = 157,306,425.82/14,070.08
  6. Step 6: Final answer
    x = 11,180.21

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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.