Home / 19,358.16-28,917.09-14,051.04

Finding the Fourth Proportional to 19,358.16, 28,917.09 and 14,051.04

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Solution

The fourth proportional to 19,358.16, 28,917.09 and 14,051.04 is: 20,989.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.16 : 28,917.09 = 14,051.04 : x
  2. Step 2: Convert to fraction form
    19,358.16/28,917.09 = 14,051.04/x
  3. Step 3: Cross multiply
    19,358.16x = 28,917.09 × 14,051.04
  4. Step 4: Simplify right side
    19,358.16x = 406,315,188.27
  5. Step 5: Solve for x
    x = 406,315,188.27/19,358.16
  6. Step 6: Final answer
    x = 20,989.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.