Home / 14,815.24-20,428.74-9,508.04

Finding the Fourth Proportional to 14,815.24, 20,428.74 and 9,508.04

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Solution

The fourth proportional to 14,815.24, 20,428.74 and 9,508.04 is: 13,110.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,815.24 : 20,428.74 = 9,508.04 : x
  2. Step 2: Convert to fraction form
    14,815.24/20,428.74 = 9,508.04/x
  3. Step 3: Cross multiply
    14,815.24x = 20,428.74 × 9,508.04
  4. Step 4: Simplify right side
    14,815.24x = 194,237,277.07
  5. Step 5: Solve for x
    x = 194,237,277.07/14,815.24
  6. Step 6: Final answer
    x = 13,110.64

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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.