Home / 30,002.81-41,403.28-16,573.94

Finding the Fourth Proportional to 30,002.81, 41,403.28 and 16,573.94

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Solution

The fourth proportional to 30,002.81, 41,403.28 and 16,573.94 is: 22,871.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,002.81 : 41,403.28 = 16,573.94 : x
  2. Step 2: Convert to fraction form
    30,002.81/41,403.28 = 16,573.94/x
  3. Step 3: Cross multiply
    30,002.81x = 41,403.28 × 16,573.94
  4. Step 4: Simplify right side
    30,002.81x = 686,215,478.52
  5. Step 5: Solve for x
    x = 686,215,478.52/30,002.81
  6. Step 6: Final answer
    x = 22,871.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.