Home / 19,422.76-26,801.70-11,465.32

Finding the Fourth Proportional to 19,422.76, 26,801.70 and 11,465.32

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Solution

The fourth proportional to 19,422.76, 26,801.70 and 11,465.32 is: 15,821.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.76 : 26,801.70 = 11,465.32 : x
  2. Step 2: Convert to fraction form
    19,422.76/26,801.70 = 11,465.32/x
  3. Step 3: Cross multiply
    19,422.76x = 26,801.70 × 11,465.32
  4. Step 4: Simplify right side
    19,422.76x = 307,290,067.04
  5. Step 5: Solve for x
    x = 307,290,067.04/19,422.76
  6. Step 6: Final answer
    x = 15,821.13

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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.