Home / 19,236.79-26,549.07-11,278.95

Finding the Fourth Proportional to 19,236.79, 26,549.07 and 11,278.95

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Solution

The fourth proportional to 19,236.79, 26,549.07 and 11,278.95 is: 15,566.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.79 : 26,549.07 = 11,278.95 : x
  2. Step 2: Convert to fraction form
    19,236.79/26,549.07 = 11,278.95/x
  3. Step 3: Cross multiply
    19,236.79x = 26,549.07 × 11,278.95
  4. Step 4: Simplify right side
    19,236.79x = 299,445,491.22
  5. Step 5: Solve for x
    x = 299,445,491.22/19,236.79
  6. Step 6: Final answer
    x = 15,566.29

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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.