Home / 16,961.47-23,406.95-9,407.36

Finding the Fourth Proportional to 16,961.47, 23,406.95 and 9,407.36

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Solution

The fourth proportional to 16,961.47, 23,406.95 and 9,407.36 is: 12,982.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,961.47 : 23,406.95 = 9,407.36 : x
  2. Step 2: Convert to fraction form
    16,961.47/23,406.95 = 9,407.36/x
  3. Step 3: Cross multiply
    16,961.47x = 23,406.95 × 9,407.36
  4. Step 4: Simplify right side
    16,961.47x = 220,197,687.19
  5. Step 5: Solve for x
    x = 220,197,687.19/16,961.47
  6. Step 6: Final answer
    x = 12,982.23

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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.