Home / 19,275.76-26,590.29-11,724.40

Finding the Fourth Proportional to 19,275.76, 26,590.29 and 11,724.40

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Solution

The fourth proportional to 19,275.76, 26,590.29 and 11,724.40 is: 16,173.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275.76 : 26,590.29 = 11,724.40 : x
  2. Step 2: Convert to fraction form
    19,275.76/26,590.29 = 11,724.40/x
  3. Step 3: Cross multiply
    19,275.76x = 26,590.29 × 11,724.40
  4. Step 4: Simplify right side
    19,275.76x = 311,755,174.09
  5. Step 5: Solve for x
    x = 311,755,174.09/19,275.76
  6. Step 6: Final answer
    x = 16,173.43

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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.