Home / 14,954.47-20,646.02-13,293.88

Finding the Fourth Proportional to 14,954.47, 20,646.02 and 13,293.88

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Solution

The fourth proportional to 14,954.47, 20,646.02 and 13,293.88 is: 18,353.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,954.47 : 20,646.02 = 13,293.88 : x
  2. Step 2: Convert to fraction form
    14,954.47/20,646.02 = 13,293.88/x
  3. Step 3: Cross multiply
    14,954.47x = 20,646.02 × 13,293.88
  4. Step 4: Simplify right side
    14,954.47x = 274,465,693.98
  5. Step 5: Solve for x
    x = 274,465,693.98/14,954.47
  6. Step 6: Final answer
    x = 18,353.42

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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.