Home / 17,218.39-25,803.28-7,354.21

Finding the Fourth Proportional to 17,218.39, 25,803.28 and 7,354.21

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Solution

The fourth proportional to 17,218.39, 25,803.28 and 7,354.21 is: 11,020.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218.39 : 25,803.28 = 7,354.21 : x
  2. Step 2: Convert to fraction form
    17,218.39/25,803.28 = 7,354.21/x
  3. Step 3: Cross multiply
    17,218.39x = 25,803.28 × 7,354.21
  4. Step 4: Simplify right side
    17,218.39x = 189,762,739.81
  5. Step 5: Solve for x
    x = 189,762,739.81/17,218.39
  6. Step 6: Final answer
    x = 11,020.93

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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.