Home / 16,120.76-22,248.54-9,746.60

Finding the Fourth Proportional to 16,120.76, 22,248.54 and 9,746.60

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Solution

The fourth proportional to 16,120.76, 22,248.54 and 9,746.60 is: 13,451.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,120.76 : 22,248.54 = 9,746.60 : x
  2. Step 2: Convert to fraction form
    16,120.76/22,248.54 = 9,746.60/x
  3. Step 3: Cross multiply
    16,120.76x = 22,248.54 × 9,746.60
  4. Step 4: Simplify right side
    16,120.76x = 216,847,508.72
  5. Step 5: Solve for x
    x = 216,847,508.72/16,120.76
  6. Step 6: Final answer
    x = 13,451.45

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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.