Home / 16,078.40-24,124.80-7,308.80

Finding the Fourth Proportional to 16,078.40, 24,124.80 and 7,308.80

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Solution

The fourth proportional to 16,078.40, 24,124.80 and 7,308.80 is: 10,966.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,078.40 : 24,124.80 = 7,308.80 : x
  2. Step 2: Convert to fraction form
    16,078.40/24,124.80 = 7,308.80/x
  3. Step 3: Cross multiply
    16,078.40x = 24,124.80 × 7,308.80
  4. Step 4: Simplify right side
    16,078.40x = 176,323,338.24
  5. Step 5: Solve for x
    x = 176,323,338.24/16,078.40
  6. Step 6: Final answer
    x = 10,966.47

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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.