Home / 16,222.40-24,320.10-6,869.60

Finding the Fourth Proportional to 16,222.40, 24,320.10 and 6,869.60

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Solution

The fourth proportional to 16,222.40, 24,320.10 and 6,869.60 is: 10,298.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,222.40 : 24,320.10 = 6,869.60 : x
  2. Step 2: Convert to fraction form
    16,222.40/24,320.10 = 6,869.60/x
  3. Step 3: Cross multiply
    16,222.40x = 24,320.10 × 6,869.60
  4. Step 4: Simplify right side
    16,222.40x = 167,069,358.96
  5. Step 5: Solve for x
    x = 167,069,358.96/16,222.40
  6. Step 6: Final answer
    x = 10,298.68

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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.