Home / 19,287.99-26,609.61-12,571.27

Finding the Fourth Proportional to 19,287.99, 26,609.61 and 12,571.27

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Solution

The fourth proportional to 19,287.99, 26,609.61 and 12,571.27 is: 17,343.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,287.99 : 26,609.61 = 12,571.27 : x
  2. Step 2: Convert to fraction form
    19,287.99/26,609.61 = 12,571.27/x
  3. Step 3: Cross multiply
    19,287.99x = 26,609.61 × 12,571.27
  4. Step 4: Simplify right side
    19,287.99x = 334,516,572.52
  5. Step 5: Solve for x
    x = 334,516,572.52/19,287.99
  6. Step 6: Final answer
    x = 17,343.26

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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.