Home / 14,822.89-20,460.80-9,161.98

Finding the Fourth Proportional to 14,822.89, 20,460.80 and 9,161.98

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Solution

The fourth proportional to 14,822.89, 20,460.80 and 9,161.98 is: 12,646.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,822.89 : 20,460.80 = 9,161.98 : x
  2. Step 2: Convert to fraction form
    14,822.89/20,460.80 = 9,161.98/x
  3. Step 3: Cross multiply
    14,822.89x = 20,460.80 × 9,161.98
  4. Step 4: Simplify right side
    14,822.89x = 187,461,292.27
  5. Step 5: Solve for x
    x = 187,461,292.27/14,822.89
  6. Step 6: Final answer
    x = 12,646.75

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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.