Home / 15,313.59-22,968.29-4,218.68

Finding the Fourth Proportional to 15,313.59, 22,968.29 and 4,218.68

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Solution

The fourth proportional to 15,313.59, 22,968.29 and 4,218.68 is: 6,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,313.59 : 22,968.29 = 4,218.68 : x
  2. Step 2: Convert to fraction form
    15,313.59/22,968.29 = 4,218.68/x
  3. Step 3: Cross multiply
    15,313.59x = 22,968.29 × 4,218.68
  4. Step 4: Simplify right side
    15,313.59x = 96,895,933.62
  5. Step 5: Solve for x
    x = 96,895,933.62/15,313.59
  6. Step 6: Final answer
    x = 6,327.45

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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.