Home / 14,779.77-22,169.85-4,919.08

Finding the Fourth Proportional to 14,779.77, 22,169.85 and 4,919.08

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Solution

The fourth proportional to 14,779.77, 22,169.85 and 4,919.08 is: 7,378.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.77 : 22,169.85 = 4,919.08 : x
  2. Step 2: Convert to fraction form
    14,779.77/22,169.85 = 4,919.08/x
  3. Step 3: Cross multiply
    14,779.77x = 22,169.85 × 4,919.08
  4. Step 4: Simplify right side
    14,779.77x = 109,055,261.11
  5. Step 5: Solve for x
    x = 109,055,261.11/14,779.77
  6. Step 6: Final answer
    x = 7,378.69

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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.