Home / 15,141.09-20,894.85-8,852.25

Finding the Fourth Proportional to 15,141.09, 20,894.85 and 8,852.25

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Solution

The fourth proportional to 15,141.09, 20,894.85 and 8,852.25 is: 12,216.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141.09 : 20,894.85 = 8,852.25 : x
  2. Step 2: Convert to fraction form
    15,141.09/20,894.85 = 8,852.25/x
  3. Step 3: Cross multiply
    15,141.09x = 20,894.85 × 8,852.25
  4. Step 4: Simplify right side
    15,141.09x = 184,966,435.91
  5. Step 5: Solve for x
    x = 184,966,435.91/15,141.09
  6. Step 6: Final answer
    x = 12,216.19

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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.