Home / 16,705.20-23,060.73-9,900.32

Finding the Fourth Proportional to 16,705.20, 23,060.73 and 9,900.32

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Solution

The fourth proportional to 16,705.20, 23,060.73 and 9,900.32 is: 13,666.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,705.20 : 23,060.73 = 9,900.32 : x
  2. Step 2: Convert to fraction form
    16,705.20/23,060.73 = 9,900.32/x
  3. Step 3: Cross multiply
    16,705.20x = 23,060.73 × 9,900.32
  4. Step 4: Simplify right side
    16,705.20x = 228,308,690.40
  5. Step 5: Solve for x
    x = 228,308,690.40/16,705.20
  6. Step 6: Final answer
    x = 13,666.93

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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.