Home / 13,877.01-20,815.77-4,516.99

Finding the Fourth Proportional to 13,877.01, 20,815.77 and 4,516.99

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Solution

The fourth proportional to 13,877.01, 20,815.77 and 4,516.99 is: 6,775.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.01 : 20,815.77 = 4,516.99 : x
  2. Step 2: Convert to fraction form
    13,877.01/20,815.77 = 4,516.99/x
  3. Step 3: Cross multiply
    13,877.01x = 20,815.77 × 4,516.99
  4. Step 4: Simplify right side
    13,877.01x = 94,024,547.58
  5. Step 5: Solve for x
    x = 94,024,547.58/13,877.01
  6. Step 6: Final answer
    x = 6,775.56

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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.