Home / 21,050.04-31,575.18-5,467.68

Finding the Fourth Proportional to 21,050.04, 31,575.18 and 5,467.68

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Solution

The fourth proportional to 21,050.04, 31,575.18 and 5,467.68 is: 8,201.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,050.04 : 31,575.18 = 5,467.68 : x
  2. Step 2: Convert to fraction form
    21,050.04/31,575.18 = 5,467.68/x
  3. Step 3: Cross multiply
    21,050.04x = 31,575.18 × 5,467.68
  4. Step 4: Simplify right side
    21,050.04x = 172,642,980.18
  5. Step 5: Solve for x
    x = 172,642,980.18/21,050.04
  6. Step 6: Final answer
    x = 8,201.55

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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.