Home / 15,977.83-22,050.37-8,807.74

Finding the Fourth Proportional to 15,977.83, 22,050.37 and 8,807.74

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Solution

The fourth proportional to 15,977.83, 22,050.37 and 8,807.74 is: 12,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.83 : 22,050.37 = 8,807.74 : x
  2. Step 2: Convert to fraction form
    15,977.83/22,050.37 = 8,807.74/x
  3. Step 3: Cross multiply
    15,977.83x = 22,050.37 × 8,807.74
  4. Step 4: Simplify right side
    15,977.83x = 194,213,771.57
  5. Step 5: Solve for x
    x = 194,213,771.57/15,977.83
  6. Step 6: Final answer
    x = 12,155.20

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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.