Home / 14,959.14-20,631.83-13,953.12

Finding the Fourth Proportional to 14,959.14, 20,631.83 and 13,953.12

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Solution

The fourth proportional to 14,959.14, 20,631.83 and 13,953.12 is: 19,244.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,959.14 : 20,631.83 = 13,953.12 : x
  2. Step 2: Convert to fraction form
    14,959.14/20,631.83 = 13,953.12/x
  3. Step 3: Cross multiply
    14,959.14x = 20,631.83 × 13,953.12
  4. Step 4: Simplify right side
    14,959.14x = 287,878,330.04
  5. Step 5: Solve for x
    x = 287,878,330.04/14,959.14
  6. Step 6: Final answer
    x = 19,244.31

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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.