Home / 19,511.35-26,925.51-15,266.75

Finding the Fourth Proportional to 19,511.35, 26,925.51 and 15,266.75

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Solution

The fourth proportional to 19,511.35, 26,925.51 and 15,266.75 is: 21,067.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.35 : 26,925.51 = 15,266.75 : x
  2. Step 2: Convert to fraction form
    19,511.35/26,925.51 = 15,266.75/x
  3. Step 3: Cross multiply
    19,511.35x = 26,925.51 × 15,266.75
  4. Step 4: Simplify right side
    19,511.35x = 411,064,952.42
  5. Step 5: Solve for x
    x = 411,064,952.42/19,511.35
  6. Step 6: Final answer
    x = 21,067.99

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Double scale
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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.