Home / 19,275.29-26,600.91-11,720.37

Finding the Fourth Proportional to 19,275.29, 26,600.91 and 11,720.37

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Solution

The fourth proportional to 19,275.29, 26,600.91 and 11,720.37 is: 16,174.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275.29 : 26,600.91 = 11,720.37 : x
  2. Step 2: Convert to fraction form
    19,275.29/26,600.91 = 11,720.37/x
  3. Step 3: Cross multiply
    19,275.29x = 26,600.91 × 11,720.37
  4. Step 4: Simplify right side
    19,275.29x = 311,772,374.53
  5. Step 5: Solve for x
    x = 311,772,374.53/19,275.29
  6. Step 6: Final answer
    x = 16,174.72

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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.