Home / 16,121.90-22,252.86-9,748.50

Finding the Fourth Proportional to 16,121.90, 22,252.86 and 9,748.50

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Solution

The fourth proportional to 16,121.90, 22,252.86 and 9,748.50 is: 13,455.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.90 : 22,252.86 = 9,748.50 : x
  2. Step 2: Convert to fraction form
    16,121.90/22,252.86 = 9,748.50/x
  3. Step 3: Cross multiply
    16,121.90x = 22,252.86 × 9,748.50
  4. Step 4: Simplify right side
    16,121.90x = 216,932,005.71
  5. Step 5: Solve for x
    x = 216,932,005.71/16,121.90
  6. Step 6: Final answer
    x = 13,455.74

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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.