Home / 22,485.63-31,010.13-14,519.49

Finding the Fourth Proportional to 22,485.63, 31,010.13 and 14,519.49

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Solution

The fourth proportional to 22,485.63, 31,010.13 and 14,519.49 is: 20,023.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,485.63 : 31,010.13 = 14,519.49 : x
  2. Step 2: Convert to fraction form
    22,485.63/31,010.13 = 14,519.49/x
  3. Step 3: Cross multiply
    22,485.63x = 31,010.13 × 14,519.49
  4. Step 4: Simplify right side
    22,485.63x = 450,251,272.43
  5. Step 5: Solve for x
    x = 450,251,272.43/22,485.63
  6. Step 6: Final answer
    x = 20,023.96

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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.