Home / 19,237.11-26,488-16,398.12

Finding the Fourth Proportional to 19,237.11, 26,488 and 16,398.12

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Solution

The fourth proportional to 19,237.11, 26,488 and 16,398.12 is: 22,578.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,237.11 : 26,488 = 16,398.12 : x
  2. Step 2: Convert to fraction form
    19,237.11/26,488 = 16,398.12/x
  3. Step 3: Cross multiply
    19,237.11x = 26,488 × 16,398.12
  4. Step 4: Simplify right side
    19,237.11x = 434,353,402.56
  5. Step 5: Solve for x
    x = 434,353,402.56/19,237.11
  6. Step 6: Final answer
    x = 22,578.93

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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.