Home / 30,001.68-41,401.52-16,572.64

Finding the Fourth Proportional to 30,001.68, 41,401.52 and 16,572.64

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Solution

The fourth proportional to 30,001.68, 41,401.52 and 16,572.64 is: 22,869.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,001.68 : 41,401.52 = 16,572.64 : x
  2. Step 2: Convert to fraction form
    30,001.68/41,401.52 = 16,572.64/x
  3. Step 3: Cross multiply
    30,001.68x = 41,401.52 × 16,572.64
  4. Step 4: Simplify right side
    30,001.68x = 686,132,486.41
  5. Step 5: Solve for x
    x = 686,132,486.41/30,001.68
  6. Step 6: Final answer
    x = 22,869.80

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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.