Home / 13,276.99-19,893.57-7,714.72

Finding the Fourth Proportional to 13,276.99, 19,893.57 and 7,714.72

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Solution

The fourth proportional to 13,276.99, 19,893.57 and 7,714.72 is: 11,559.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.99 : 19,893.57 = 7,714.72 : x
  2. Step 2: Convert to fraction form
    13,276.99/19,893.57 = 7,714.72/x
  3. Step 3: Cross multiply
    13,276.99x = 19,893.57 × 7,714.72
  4. Step 4: Simplify right side
    13,276.99x = 153,473,322.35
  5. Step 5: Solve for x
    x = 153,473,322.35/13,276.99
  6. Step 6: Final answer
    x = 11,559.35

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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.