Home / 16,720.60-23,055.52-10,662.76

Finding the Fourth Proportional to 16,720.60, 23,055.52 and 10,662.76

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Solution

The fourth proportional to 16,720.60, 23,055.52 and 10,662.76 is: 14,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.60 : 23,055.52 = 10,662.76 : x
  2. Step 2: Convert to fraction form
    16,720.60/23,055.52 = 10,662.76/x
  3. Step 3: Cross multiply
    16,720.60x = 23,055.52 × 10,662.76
  4. Step 4: Simplify right side
    16,720.60x = 245,835,476.44
  5. Step 5: Solve for x
    x = 245,835,476.44/16,720.60
  6. Step 6: Final answer
    x = 14,702.55

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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.