Home / 20,152.83-27,827.70-16,813.16

Finding the Fourth Proportional to 20,152.83, 27,827.70 and 16,813.16

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Solution

The fourth proportional to 20,152.83, 27,827.70 and 16,813.16 is: 23,216.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.83 : 27,827.70 = 16,813.16 : x
  2. Step 2: Convert to fraction form
    20,152.83/27,827.70 = 16,813.16/x
  3. Step 3: Cross multiply
    20,152.83x = 27,827.70 × 16,813.16
  4. Step 4: Simplify right side
    20,152.83x = 467,871,349.33
  5. Step 5: Solve for x
    x = 467,871,349.33/20,152.83
  6. Step 6: Final answer
    x = 23,216.16

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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.