Home / 14,811.98-22,193.36-10,420.21

Finding the Fourth Proportional to 14,811.98, 22,193.36 and 10,420.21

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Solution

The fourth proportional to 14,811.98, 22,193.36 and 10,420.21 is: 15,613.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,811.98 : 22,193.36 = 10,420.21 : x
  2. Step 2: Convert to fraction form
    14,811.98/22,193.36 = 10,420.21/x
  3. Step 3: Cross multiply
    14,811.98x = 22,193.36 × 10,420.21
  4. Step 4: Simplify right side
    14,811.98x = 231,259,334.79
  5. Step 5: Solve for x
    x = 231,259,334.79/14,811.98
  6. Step 6: Final answer
    x = 15,613.00

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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.