Home / 21,394.08-29,525.28-11,963.52

Finding the Fourth Proportional to 21,394.08, 29,525.28 and 11,963.52

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Solution

The fourth proportional to 21,394.08, 29,525.28 and 11,963.52 is: 16,510.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,394.08 : 29,525.28 = 11,963.52 : x
  2. Step 2: Convert to fraction form
    21,394.08/29,525.28 = 11,963.52/x
  3. Step 3: Cross multiply
    21,394.08x = 29,525.28 × 11,963.52
  4. Step 4: Simplify right side
    21,394.08x = 353,226,277.79
  5. Step 5: Solve for x
    x = 353,226,277.79/21,394.08
  6. Step 6: Final answer
    x = 16,510.47

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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.