Home / 19,538.13-26,998.38-14,223.72

Finding the Fourth Proportional to 19,538.13, 26,998.38 and 14,223.72

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Solution

The fourth proportional to 19,538.13, 26,998.38 and 14,223.72 is: 19,654.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.13 : 26,998.38 = 14,223.72 : x
  2. Step 2: Convert to fraction form
    19,538.13/26,998.38 = 14,223.72/x
  3. Step 3: Cross multiply
    19,538.13x = 26,998.38 × 14,223.72
  4. Step 4: Simplify right side
    19,538.13x = 384,017,397.57
  5. Step 5: Solve for x
    x = 384,017,397.57/19,538.13
  6. Step 6: Final answer
    x = 19,654.77

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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.