Home / 53,895.08-80,842.92-18,810.12

Finding the Fourth Proportional to 53,895.08, 80,842.92 and 18,810.12

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Solution

The fourth proportional to 53,895.08, 80,842.92 and 18,810.12 is: 28,215.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,895.08 : 80,842.92 = 18,810.12 : x
  2. Step 2: Convert to fraction form
    53,895.08/80,842.92 = 18,810.12/x
  3. Step 3: Cross multiply
    53,895.08x = 80,842.92 × 18,810.12
  4. Step 4: Simplify right side
    53,895.08x = 1,520,665,026.35
  5. Step 5: Solve for x
    x = 1,520,665,026.35/53,895.08
  6. Step 6: Final answer
    x = 28,215.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.