Home / 19,217.48-26,515.59-11,663.63

Finding the Fourth Proportional to 19,217.48, 26,515.59 and 11,663.63

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Solution

The fourth proportional to 19,217.48, 26,515.59 and 11,663.63 is: 16,093.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.48 : 26,515.59 = 11,663.63 : x
  2. Step 2: Convert to fraction form
    19,217.48/26,515.59 = 11,663.63/x
  3. Step 3: Cross multiply
    19,217.48x = 26,515.59 × 11,663.63
  4. Step 4: Simplify right side
    19,217.48x = 309,268,030.99
  5. Step 5: Solve for x
    x = 309,268,030.99/19,217.48
  6. Step 6: Final answer
    x = 16,093.06

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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.