Home / 19,530.24-26,956.64-11,151.60

Finding the Fourth Proportional to 19,530.24, 26,956.64 and 11,151.60

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Solution

The fourth proportional to 19,530.24, 26,956.64 and 11,151.60 is: 15,392.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.24 : 26,956.64 = 11,151.60 : x
  2. Step 2: Convert to fraction form
    19,530.24/26,956.64 = 11,151.60/x
  3. Step 3: Cross multiply
    19,530.24x = 26,956.64 × 11,151.60
  4. Step 4: Simplify right side
    19,530.24x = 300,609,666.62
  5. Step 5: Solve for x
    x = 300,609,666.62/19,530.24
  6. Step 6: Final answer
    x = 15,392.01

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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.