Home / 21,345.74-32,023.37-6,556.15

Finding the Fourth Proportional to 21,345.74, 32,023.37 and 6,556.15

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Solution

The fourth proportional to 21,345.74, 32,023.37 and 6,556.15 is: 9,835.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,345.74 : 32,023.37 = 6,556.15 : x
  2. Step 2: Convert to fraction form
    21,345.74/32,023.37 = 6,556.15/x
  3. Step 3: Cross multiply
    21,345.74x = 32,023.37 × 6,556.15
  4. Step 4: Simplify right side
    21,345.74x = 209,950,017.23
  5. Step 5: Solve for x
    x = 209,950,017.23/21,345.74
  6. Step 6: Final answer
    x = 9,835.69

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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.