Home / 14,996.16-20,689.56-9,969.84

Finding the Fourth Proportional to 14,996.16, 20,689.56 and 9,969.84

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Solution

The fourth proportional to 14,996.16, 20,689.56 and 9,969.84 is: 13,754.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,996.16 : 20,689.56 = 9,969.84 : x
  2. Step 2: Convert to fraction form
    14,996.16/20,689.56 = 9,969.84/x
  3. Step 3: Cross multiply
    14,996.16x = 20,689.56 × 9,969.84
  4. Step 4: Simplify right side
    14,996.16x = 206,271,602.87
  5. Step 5: Solve for x
    x = 206,271,602.87/14,996.16
  6. Step 6: Final answer
    x = 13,754.96

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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.