Home / 14,884.89-20,549.49-10,130.46

Finding the Fourth Proportional to 14,884.89, 20,549.49 and 10,130.46

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Solution

The fourth proportional to 14,884.89, 20,549.49 and 10,130.46 is: 13,985.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,884.89 : 20,549.49 = 10,130.46 : x
  2. Step 2: Convert to fraction form
    14,884.89/20,549.49 = 10,130.46/x
  3. Step 3: Cross multiply
    14,884.89x = 20,549.49 × 10,130.46
  4. Step 4: Simplify right side
    14,884.89x = 208,175,786.47
  5. Step 5: Solve for x
    x = 208,175,786.47/14,884.89
  6. Step 6: Final answer
    x = 13,985.71

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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.