Home / 16,869.20-23,281.53-9,795.62

Finding the Fourth Proportional to 16,869.20, 23,281.53 and 9,795.62

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Solution

The fourth proportional to 16,869.20, 23,281.53 and 9,795.62 is: 13,519.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.20 : 23,281.53 = 9,795.62 : x
  2. Step 2: Convert to fraction form
    16,869.20/23,281.53 = 9,795.62/x
  3. Step 3: Cross multiply
    16,869.20x = 23,281.53 × 9,795.62
  4. Step 4: Simplify right side
    16,869.20x = 228,056,904.49
  5. Step 5: Solve for x
    x = 228,056,904.49/16,869.20
  6. Step 6: Final answer
    x = 13,519.13

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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.