Home / 19,270.43-26,585.72-12,097.30

Finding the Fourth Proportional to 19,270.43, 26,585.72 and 12,097.30

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Solution

The fourth proportional to 19,270.43, 26,585.72 and 12,097.30 is: 16,689.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.43 : 26,585.72 = 12,097.30 : x
  2. Step 2: Convert to fraction form
    19,270.43/26,585.72 = 12,097.30/x
  3. Step 3: Cross multiply
    19,270.43x = 26,585.72 × 12,097.30
  4. Step 4: Simplify right side
    19,270.43x = 321,615,398.82
  5. Step 5: Solve for x
    x = 321,615,398.82/19,270.43
  6. Step 6: Final answer
    x = 16,689.58

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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.