Home / 15,464.12-21,341.48-8,750.43

Finding the Fourth Proportional to 15,464.12, 21,341.48 and 8,750.43

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Solution

The fourth proportional to 15,464.12, 21,341.48 and 8,750.43 is: 12,076.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,464.12 : 21,341.48 = 8,750.43 : x
  2. Step 2: Convert to fraction form
    15,464.12/21,341.48 = 8,750.43/x
  3. Step 3: Cross multiply
    15,464.12x = 21,341.48 × 8,750.43
  4. Step 4: Simplify right side
    15,464.12x = 186,747,083.08
  5. Step 5: Solve for x
    x = 186,747,083.08/15,464.12
  6. Step 6: Final answer
    x = 12,076.16

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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.