Home / 14,518.82-20,042.10-9,809.48

Finding the Fourth Proportional to 14,518.82, 20,042.10 and 9,809.48

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Solution

The fourth proportional to 14,518.82, 20,042.10 and 9,809.48 is: 13,541.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.82 : 20,042.10 = 9,809.48 : x
  2. Step 2: Convert to fraction form
    14,518.82/20,042.10 = 9,809.48/x
  3. Step 3: Cross multiply
    14,518.82x = 20,042.10 × 9,809.48
  4. Step 4: Simplify right side
    14,518.82x = 196,602,579.11
  5. Step 5: Solve for x
    x = 196,602,579.11/14,518.82
  6. Step 6: Final answer
    x = 13,541.22

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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.