Home / 17,720.30-24,455.12-9,762.53

Finding the Fourth Proportional to 17,720.30, 24,455.12 and 9,762.53

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Solution

The fourth proportional to 17,720.30, 24,455.12 and 9,762.53 is: 13,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720.30 : 24,455.12 = 9,762.53 : x
  2. Step 2: Convert to fraction form
    17,720.30/24,455.12 = 9,762.53/x
  3. Step 3: Cross multiply
    17,720.30x = 24,455.12 × 9,762.53
  4. Step 4: Simplify right side
    17,720.30x = 238,743,842.65
  5. Step 5: Solve for x
    x = 238,743,842.65/17,720.30
  6. Step 6: Final answer
    x = 13,472.90

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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.