Home / 14,521.64-20,051.16-11,159.12

Finding the Fourth Proportional to 14,521.64, 20,051.16 and 11,159.12

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Solution

The fourth proportional to 14,521.64, 20,051.16 and 11,159.12 is: 15,408.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521.64 : 20,051.16 = 11,159.12 : x
  2. Step 2: Convert to fraction form
    14,521.64/20,051.16 = 11,159.12/x
  3. Step 3: Cross multiply
    14,521.64x = 20,051.16 × 11,159.12
  4. Step 4: Simplify right side
    14,521.64x = 223,753,300.58
  5. Step 5: Solve for x
    x = 223,753,300.58/14,521.64
  6. Step 6: Final answer
    x = 15,408.27

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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.