Home / 21,483.25-29,659.86-14,044.21

Finding the Fourth Proportional to 21,483.25, 29,659.86 and 14,044.21

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Solution

The fourth proportional to 21,483.25, 29,659.86 and 14,044.21 is: 19,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,483.25 : 29,659.86 = 14,044.21 : x
  2. Step 2: Convert to fraction form
    21,483.25/29,659.86 = 14,044.21/x
  3. Step 3: Cross multiply
    21,483.25x = 29,659.86 × 14,044.21
  4. Step 4: Simplify right side
    21,483.25x = 416,549,302.41
  5. Step 5: Solve for x
    x = 416,549,302.41/21,483.25
  6. Step 6: Final answer
    x = 19,389.49

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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.