Home / 16,155.86-24,221.40-7,384.64

Finding the Fourth Proportional to 16,155.86, 24,221.40 and 7,384.64

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Solution

The fourth proportional to 16,155.86, 24,221.40 and 7,384.64 is: 11,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,155.86 : 24,221.40 = 7,384.64 : x
  2. Step 2: Convert to fraction form
    16,155.86/24,221.40 = 7,384.64/x
  3. Step 3: Cross multiply
    16,155.86x = 24,221.40 × 7,384.64
  4. Step 4: Simplify right side
    16,155.86x = 178,866,319.30
  5. Step 5: Solve for x
    x = 178,866,319.30/16,155.86
  6. Step 6: Final answer
    x = 11,071.30

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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.