Home / 16,965.52-23,403.54-9,886.12

Finding the Fourth Proportional to 16,965.52, 23,403.54 and 9,886.12

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Solution

The fourth proportional to 16,965.52, 23,403.54 and 9,886.12 is: 13,637.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,965.52 : 23,403.54 = 9,886.12 : x
  2. Step 2: Convert to fraction form
    16,965.52/23,403.54 = 9,886.12/x
  3. Step 3: Cross multiply
    16,965.52x = 23,403.54 × 9,886.12
  4. Step 4: Simplify right side
    16,965.52x = 231,370,204.86
  5. Step 5: Solve for x
    x = 231,370,204.86/16,965.52
  6. Step 6: Final answer
    x = 13,637.67

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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.