Home / 13,969.52-19,272-8,932.64

Finding the Fourth Proportional to 13,969.52, 19,272 and 8,932.64

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Solution

The fourth proportional to 13,969.52, 19,272 and 8,932.64 is: 12,323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.52 : 19,272 = 8,932.64 : x
  2. Step 2: Convert to fraction form
    13,969.52/19,272 = 8,932.64/x
  3. Step 3: Cross multiply
    13,969.52x = 19,272 × 8,932.64
  4. Step 4: Simplify right side
    13,969.52x = 172,149,838.08
  5. Step 5: Solve for x
    x = 172,149,838.08/13,969.52
  6. Step 6: Final answer
    x = 12,323.25

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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.