Home / 19,117.08-26,380.35-11,051.10

Finding the Fourth Proportional to 19,117.08, 26,380.35 and 11,051.10

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Solution

The fourth proportional to 19,117.08, 26,380.35 and 11,051.10 is: 15,249.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117.08 : 26,380.35 = 11,051.10 : x
  2. Step 2: Convert to fraction form
    19,117.08/26,380.35 = 11,051.10/x
  3. Step 3: Cross multiply
    19,117.08x = 26,380.35 × 11,051.10
  4. Step 4: Simplify right side
    19,117.08x = 291,531,885.89
  5. Step 5: Solve for x
    x = 291,531,885.89/19,117.08
  6. Step 6: Final answer
    x = 15,249.81

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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.