Home / 16,686.41-23,027.29-9,612.68

Finding the Fourth Proportional to 16,686.41, 23,027.29 and 9,612.68

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Solution

The fourth proportional to 16,686.41, 23,027.29 and 9,612.68 is: 13,265.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686.41 : 23,027.29 = 9,612.68 : x
  2. Step 2: Convert to fraction form
    16,686.41/23,027.29 = 9,612.68/x
  3. Step 3: Cross multiply
    16,686.41x = 23,027.29 × 9,612.68
  4. Step 4: Simplify right side
    16,686.41x = 221,353,830.87
  5. Step 5: Solve for x
    x = 221,353,830.87/16,686.41
  6. Step 6: Final answer
    x = 13,265.52

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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.