Home / 21,092.61-29,131.74-14,366.58

Finding the Fourth Proportional to 21,092.61, 29,131.74 and 14,366.58

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Solution

The fourth proportional to 21,092.61, 29,131.74 and 14,366.58 is: 19,842.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,092.61 : 29,131.74 = 14,366.58 : x
  2. Step 2: Convert to fraction form
    21,092.61/29,131.74 = 14,366.58/x
  3. Step 3: Cross multiply
    21,092.61x = 29,131.74 × 14,366.58
  4. Step 4: Simplify right side
    21,092.61x = 418,523,364.01
  5. Step 5: Solve for x
    x = 418,523,364.01/21,092.61
  6. Step 6: Final answer
    x = 19,842.18

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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.