Home / 19,827.15-27,347.12-16,838.25

Finding the Fourth Proportional to 19,827.15, 27,347.12 and 16,838.25

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Solution

The fourth proportional to 19,827.15, 27,347.12 and 16,838.25 is: 23,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,827.15 : 27,347.12 = 16,838.25 : x
  2. Step 2: Convert to fraction form
    19,827.15/27,347.12 = 16,838.25/x
  3. Step 3: Cross multiply
    19,827.15x = 27,347.12 × 16,838.25
  4. Step 4: Simplify right side
    19,827.15x = 460,477,685.44
  5. Step 5: Solve for x
    x = 460,477,685.44/19,827.15
  6. Step 6: Final answer
    x = 23,224.60

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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.