Home / 16,885.71-23,301.08-9,331.96

Finding the Fourth Proportional to 16,885.71, 23,301.08 and 9,331.96

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Solution

The fourth proportional to 16,885.71, 23,301.08 and 9,331.96 is: 12,877.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.71 : 23,301.08 = 9,331.96 : x
  2. Step 2: Convert to fraction form
    16,885.71/23,301.08 = 9,331.96/x
  3. Step 3: Cross multiply
    16,885.71x = 23,301.08 × 9,331.96
  4. Step 4: Simplify right side
    16,885.71x = 217,444,746.52
  5. Step 5: Solve for x
    x = 217,444,746.52/16,885.71
  6. Step 6: Final answer
    x = 12,877.44

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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.