Home / 16,987.36-23,442.56-9,434.92

Finding the Fourth Proportional to 16,987.36, 23,442.56 and 9,434.92

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Solution

The fourth proportional to 16,987.36, 23,442.56 and 9,434.92 is: 13,020.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.36 : 23,442.56 = 9,434.92 : x
  2. Step 2: Convert to fraction form
    16,987.36/23,442.56 = 9,434.92/x
  3. Step 3: Cross multiply
    16,987.36x = 23,442.56 × 9,434.92
  4. Step 4: Simplify right side
    16,987.36x = 221,178,704.82
  5. Step 5: Solve for x
    x = 221,178,704.82/16,987.36
  6. Step 6: Final answer
    x = 13,020.19

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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.