Home / 21,153.79-29,192.58-11,594.59

Finding the Fourth Proportional to 21,153.79, 29,192.58 and 11,594.59

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Solution

The fourth proportional to 21,153.79, 29,192.58 and 11,594.59 is: 16,000.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,153.79 : 29,192.58 = 11,594.59 : x
  2. Step 2: Convert to fraction form
    21,153.79/29,192.58 = 11,594.59/x
  3. Step 3: Cross multiply
    21,153.79x = 29,192.58 × 11,594.59
  4. Step 4: Simplify right side
    21,153.79x = 338,476,054.76
  5. Step 5: Solve for x
    x = 338,476,054.76/21,153.79
  6. Step 6: Final answer
    x = 16,000.73

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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.