Home / 19,436.90-26,823.11-11,053.40

Finding the Fourth Proportional to 19,436.90, 26,823.11 and 11,053.40

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Solution

The fourth proportional to 19,436.90, 26,823.11 and 11,053.40 is: 15,253.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436.90 : 26,823.11 = 11,053.40 : x
  2. Step 2: Convert to fraction form
    19,436.90/26,823.11 = 11,053.40/x
  3. Step 3: Cross multiply
    19,436.90x = 26,823.11 × 11,053.40
  4. Step 4: Simplify right side
    19,436.90x = 296,486,374.69
  5. Step 5: Solve for x
    x = 296,486,374.69/19,436.90
  6. Step 6: Final answer
    x = 15,253.79

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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.