Home / 14,634.99-21,909.42-9,070.47

Finding the Fourth Proportional to 14,634.99, 21,909.42 and 9,070.47

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Solution

The fourth proportional to 14,634.99, 21,909.42 and 9,070.47 is: 13,579.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,634.99 : 21,909.42 = 9,070.47 : x
  2. Step 2: Convert to fraction form
    14,634.99/21,909.42 = 9,070.47/x
  3. Step 3: Cross multiply
    14,634.99x = 21,909.42 × 9,070.47
  4. Step 4: Simplify right side
    14,634.99x = 198,728,736.83
  5. Step 5: Solve for x
    x = 198,728,736.83/14,634.99
  6. Step 6: Final answer
    x = 13,579.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.