Home / 17,538.76-26,307.24-4,390.36

Finding the Fourth Proportional to 17,538.76, 26,307.24 and 4,390.36

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Solution

The fourth proportional to 17,538.76, 26,307.24 and 4,390.36 is: 6,585.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,538.76 : 26,307.24 = 4,390.36 : x
  2. Step 2: Convert to fraction form
    17,538.76/26,307.24 = 4,390.36/x
  3. Step 3: Cross multiply
    17,538.76x = 26,307.24 × 4,390.36
  4. Step 4: Simplify right side
    17,538.76x = 115,498,254.21
  5. Step 5: Solve for x
    x = 115,498,254.21/17,538.76
  6. Step 6: Final answer
    x = 6,585.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.