Home / 19,619.38-29,429.07-13,802.02

Finding the Fourth Proportional to 19,619.38, 29,429.07 and 13,802.02

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Solution

The fourth proportional to 19,619.38, 29,429.07 and 13,802.02 is: 20,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.38 : 29,429.07 = 13,802.02 : x
  2. Step 2: Convert to fraction form
    19,619.38/29,429.07 = 13,802.02/x
  3. Step 3: Cross multiply
    19,619.38x = 29,429.07 × 13,802.02
  4. Step 4: Simplify right side
    19,619.38x = 406,180,612.72
  5. Step 5: Solve for x
    x = 406,180,612.72/19,619.38
  6. Step 6: Final answer
    x = 20,703.03

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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.