Home / 19,207.38-26,510.43-12,481.32

Finding the Fourth Proportional to 19,207.38, 26,510.43 and 12,481.32

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Solution

The fourth proportional to 19,207.38, 26,510.43 and 12,481.32 is: 17,226.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207.38 : 26,510.43 = 12,481.32 : x
  2. Step 2: Convert to fraction form
    19,207.38/26,510.43 = 12,481.32/x
  3. Step 3: Cross multiply
    19,207.38x = 26,510.43 × 12,481.32
  4. Step 4: Simplify right side
    19,207.38x = 330,885,271.28
  5. Step 5: Solve for x
    x = 330,885,271.28/19,207.38
  6. Step 6: Final answer
    x = 17,226.99

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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.