Home / 19,708.65-29,562.14-9,175.05

Finding the Fourth Proportional to 19,708.65, 29,562.14 and 9,175.05

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Solution

The fourth proportional to 19,708.65, 29,562.14 and 9,175.05 is: 13,762.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708.65 : 29,562.14 = 9,175.05 : x
  2. Step 2: Convert to fraction form
    19,708.65/29,562.14 = 9,175.05/x
  3. Step 3: Cross multiply
    19,708.65x = 29,562.14 × 9,175.05
  4. Step 4: Simplify right side
    19,708.65x = 271,234,061.64
  5. Step 5: Solve for x
    x = 271,234,061.64/19,708.65
  6. Step 6: Final answer
    x = 13,762.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.