Home / 14,683.14-20,279.10-9,959.22

Finding the Fourth Proportional to 14,683.14, 20,279.10 and 9,959.22

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Solution

The fourth proportional to 14,683.14, 20,279.10 and 9,959.22 is: 13,754.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,683.14 : 20,279.10 = 9,959.22 : x
  2. Step 2: Convert to fraction form
    14,683.14/20,279.10 = 9,959.22/x
  3. Step 3: Cross multiply
    14,683.14x = 20,279.10 × 9,959.22
  4. Step 4: Simplify right side
    14,683.14x = 201,964,018.30
  5. Step 5: Solve for x
    x = 201,964,018.30/14,683.14
  6. Step 6: Final answer
    x = 13,754.82

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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.