Home / 14,580.95-21,897.77-13,408.79

Finding the Fourth Proportional to 14,580.95, 21,897.77 and 13,408.79

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Solution

The fourth proportional to 14,580.95, 21,897.77 and 13,408.79 is: 20,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580.95 : 21,897.77 = 13,408.79 : x
  2. Step 2: Convert to fraction form
    14,580.95/21,897.77 = 13,408.79/x
  3. Step 3: Cross multiply
    14,580.95x = 21,897.77 × 13,408.79
  4. Step 4: Simplify right side
    14,580.95x = 293,622,422.87
  5. Step 5: Solve for x
    x = 293,622,422.87/14,580.95
  6. Step 6: Final answer
    x = 20,137.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.