Home / 21,559.10-29,735.52-19,036.76

Finding the Fourth Proportional to 21,559.10, 29,735.52 and 19,036.76

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Solution

The fourth proportional to 21,559.10, 29,735.52 and 19,036.76 is: 26,256.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559.10 : 29,735.52 = 19,036.76 : x
  2. Step 2: Convert to fraction form
    21,559.10/29,735.52 = 19,036.76/x
  3. Step 3: Cross multiply
    21,559.10x = 29,735.52 × 19,036.76
  4. Step 4: Simplify right side
    21,559.10x = 566,067,957.72
  5. Step 5: Solve for x
    x = 566,067,957.72/21,559.10
  6. Step 6: Final answer
    x = 26,256.57

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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.