Home / 16,815.42-23,203.53-9,740.52

Finding the Fourth Proportional to 16,815.42, 23,203.53 and 9,740.52

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Solution

The fourth proportional to 16,815.42, 23,203.53 and 9,740.52 is: 13,440.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.42 : 23,203.53 = 9,740.52 : x
  2. Step 2: Convert to fraction form
    16,815.42/23,203.53 = 9,740.52/x
  3. Step 3: Cross multiply
    16,815.42x = 23,203.53 × 9,740.52
  4. Step 4: Simplify right side
    16,815.42x = 226,014,448.04
  5. Step 5: Solve for x
    x = 226,014,448.04/16,815.42
  6. Step 6: Final answer
    x = 13,440.90

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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.