Home / 16,671.41-23,014.90-12,886.02

Finding the Fourth Proportional to 16,671.41, 23,014.90 and 12,886.02

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Solution

The fourth proportional to 16,671.41, 23,014.90 and 12,886.02 is: 17,789.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,671.41 : 23,014.90 = 12,886.02 : x
  2. Step 2: Convert to fraction form
    16,671.41/23,014.90 = 12,886.02/x
  3. Step 3: Cross multiply
    16,671.41x = 23,014.90 × 12,886.02
  4. Step 4: Simplify right side
    16,671.41x = 296,570,477.81
  5. Step 5: Solve for x
    x = 296,570,477.81/16,671.41
  6. Step 6: Final answer
    x = 17,789.17

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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.