Home / 16,700.14-23,038.80-9,982.36

Finding the Fourth Proportional to 16,700.14, 23,038.80 and 9,982.36

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Solution

The fourth proportional to 16,700.14, 23,038.80 and 9,982.36 is: 13,771.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,700.14 : 23,038.80 = 9,982.36 : x
  2. Step 2: Convert to fraction form
    16,700.14/23,038.80 = 9,982.36/x
  3. Step 3: Cross multiply
    16,700.14x = 23,038.80 × 9,982.36
  4. Step 4: Simplify right side
    16,700.14x = 229,981,595.57
  5. Step 5: Solve for x
    x = 229,981,595.57/16,700.14
  6. Step 6: Final answer
    x = 13,771.24

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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.