Home / 19,276.88-26,599.64-11,316.20

Finding the Fourth Proportional to 19,276.88, 26,599.64 and 11,316.20

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Solution

The fourth proportional to 19,276.88, 26,599.64 and 11,316.20 is: 15,614.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.88 : 26,599.64 = 11,316.20 : x
  2. Step 2: Convert to fraction form
    19,276.88/26,599.64 = 11,316.20/x
  3. Step 3: Cross multiply
    19,276.88x = 26,599.64 × 11,316.20
  4. Step 4: Simplify right side
    19,276.88x = 301,006,656.59
  5. Step 5: Solve for x
    x = 301,006,656.59/19,276.88
  6. Step 6: Final answer
    x = 15,614.91

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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.