Home / 14,547.44-20,077.75-8,579.77

Finding the Fourth Proportional to 14,547.44, 20,077.75 and 8,579.77

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Solution

The fourth proportional to 14,547.44, 20,077.75 and 8,579.77 is: 11,841.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,547.44 : 20,077.75 = 8,579.77 : x
  2. Step 2: Convert to fraction form
    14,547.44/20,077.75 = 8,579.77/x
  3. Step 3: Cross multiply
    14,547.44x = 20,077.75 × 8,579.77
  4. Step 4: Simplify right side
    14,547.44x = 172,262,355.28
  5. Step 5: Solve for x
    x = 172,262,355.28/14,547.44
  6. Step 6: Final answer
    x = 11,841.42

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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.