Home / 17,180.65-23,720.85-10,730.12

Finding the Fourth Proportional to 17,180.65, 23,720.85 and 10,730.12

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Solution

The fourth proportional to 17,180.65, 23,720.85 and 10,730.12 is: 14,814.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,180.65 : 23,720.85 = 10,730.12 : x
  2. Step 2: Convert to fraction form
    17,180.65/23,720.85 = 10,730.12/x
  3. Step 3: Cross multiply
    17,180.65x = 23,720.85 × 10,730.12
  4. Step 4: Simplify right side
    17,180.65x = 254,527,448.40
  5. Step 5: Solve for x
    x = 254,527,448.40/17,180.65
  6. Step 6: Final answer
    x = 14,814.77

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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.